Merge "Make Bitmap#copy docs more accurate"

     * setting the new bitmap's config to the one specified, and then copying

     * this bitmap's pixels into the new bitmap. If the conversion is not

     * supported, or the allocator fails, then this returns NULL.  The returned

     * bitmap has the same density and color space as the original.

     * bitmap has the same density and color space as the original, except in

     * the following cases. When copying to {@link Config#ALPHA_8}, the color

     * space is dropped. When copying to or from {@link Config#RGBA_F16},

     * EXTENDED or non-EXTENDED variants may be adjusted as appropriate.

     *

     * @param config    The desired config for the resulting bitmap

     * @param isMutable True if the resulting bitmap should be mutable (i.e.