Merge "Shorten IME surface caching duration" into tm-dev

    /**

     * Timeout after which hidden IME surface will be removed from memory

     * TODO(b/230762351): reset timeout to 5000ms and invalidate cache when IME insets change.

     */

    private static final long TIMEOUT_SURFACE_REMOVAL_MILLIS = 5000;

    private static final long TIMEOUT_SURFACE_REMOVAL_MILLIS = 500;

    InputMethodManager mImm;

    private InputMethodPrivilegedOperations mPrivOps = new InputMethodPrivilegedOperations();