Minor comment and formatting cleanup

    /**

     * Query if the given scheme identified by its UUID is supported on

     * this device, and whether the drm plugin is able to handle the

     * this device, and whether the DRM plugin is able to handle the

     * media container format specified by mimeType.

     * @param uuid The UUID of the crypto scheme.

     * @param mimeType The MIME type of the media container, e.g. "video/mp4"

     * returned in KeyRequest.defaultUrl.

     * <p>

     * After the app has received the key request response from the server,

     * it should deliver to the response to the DRM engine plugin using the method

     * it should deliver to the response to the MediaDrm instance using the method

     * {@link #provideKeyResponse}.

     *

     * @param scope may be a sessionId or a keySetId, depending on the specified keyType.

    /**

     * A key response is received from the license server by the app, then it is

     * provided to the DRM engine plugin using provideKeyResponse.  When the

     * provided to the MediaDrm instance using provideKeyResponse.  When the

     * response is for an offline key request, a keySetId is returned that can be

     * used to later restore the keys to a new session with the method

     * {@link #restoreKeys}.

     * in the form of {name, value} pairs.  Since DRM license policies vary by vendor,

     * the specific status field names are determined by each DRM vendor.  Refer to your

     * DRM provider documentation for definitions of the field names for a particular

     * DRM engine plugin.

     * DRM plugin.

     *

     * @param sessionId the session ID for the DRM session

     */

           @NonNull String certAuthority);

    /**

     * After a provision response is received by the app, it is provided to the DRM

     * engine plugin using this method.

     * After a provision response is received by the app, it is provided to the

     * MediaDrm instance using this method.

     *

     * @param response the opaque provisioning response byte array to provide to the

     * DRM engine plugin.

     * MediaDrm instance.

     *

     * @throws DeniedByServerException if the response indicates that the

     * server rejected the request

    }

    @NonNull

    /* could there be a valid response with 0-sized certificate or key? */

    private native Certificate provideProvisionResponseNative(@NonNull byte[] response)

            throws DeniedByServerException;

    public native void releaseAllSecureStops();

    /**

     * String property name: identifies the maker of the DRM engine plugin

     * String property name: identifies the maker of the DRM plugin

     */

    public static final String PROPERTY_VENDOR = "vendor";

    /**

     * String property name: identifies the version of the DRM engine plugin

     * String property name: identifies the version of the DRM plugin

     */

    public static final String PROPERTY_VERSION = "version";

    /**

     * String property name: describes the DRM engine plugin

     * String property name: describes the DRM plugin

     */

    public static final String PROPERTY_DESCRIPTION = "description";

    /**

     * String property name: a comma-separated list of cipher and mac algorithms

     * supported by CryptoSession.  The list may be empty if the DRM engine

     * supported by CryptoSession.  The list may be empty if the DRM

     * plugin does not support CryptoSession operations.

     */

    public static final String PROPERTY_ALGORITHMS = "algorithms";

    public @interface StringProperty {}

    /**

     * Read a DRM engine plugin String property value, given the property name string.

     * Read a MediaDrm String property value, given the property name string.

     * <p>

     * Standard fields names are:

     * {@link #PROPERTY_VENDOR}, {@link #PROPERTY_VERSION},

    @NonNull

    public native String getPropertyString(@NonNull @StringProperty String propertyName);

    /**

     * Set a MediaDrm String property value, given the property name string

     * and new value for the property.

     */

    public native void setPropertyString(@NonNull @StringProperty String propertyName,

            @NonNull String value);

    /**

     * Byte array property name: the device unique identifier is established during

     * device provisioning and provides a means of uniquely identifying each device.

    public @interface ArrayProperty {}

    /**

     * Read a DRM engine plugin byte array property value, given the property name string.

     * Read a MediaDrm byte array property value, given the property name string.

     * <p>

     * Standard fields names are {@link #PROPERTY_DEVICE_UNIQUE_ID}

     */

    public native byte[] getPropertyByteArray(@ArrayProperty String propertyName);

    /**

     * Set a DRM engine plugin String property value.

    * Set a MediaDrm byte array property value, given the property name string

    * and new value for the property.

    */

    public native void setPropertyString(

            String propertyName, @NonNull String value);

    /**

     * Set a DRM engine plugin byte array property value.

     */

    public native void setPropertyByteArray(

    public native void setPropertyByteArray(@NonNull @ArrayProperty

            String propertyName, @NonNull byte[] value);

    private static final native void setCipherAlgorithmNative(

            @NonNull MediaDrm drm, @NonNull byte[] sessionId, @NonNull String algorithm);

     * The algorithm string conforms to JCA Standard Names for Mac

     * Algorithms and is case insensitive.  For example "HmacSHA256".

     * <p>

     * The list of supported algorithms for a DRM engine plugin can be obtained

     * The list of supported algorithms for a DRM plugin can be obtained

     * using the method {@link #getPropertyString} with the property name

     * "algorithms".

     */

     * storage, and used when invoking the signRSA method.

     *

     * @param response the opaque certificate response byte array to provide to the

     * DRM engine plugin.

     * MediaDrm instance.

     *

     * @throws DeniedByServerException if the response indicates that the

     * server rejected the request