am b2694cc3: Make return of screenshotApplications an ashmem immutable bitmap.

            }

        }

        // Copy the screenshot bitmap to another buffer so that the gralloc backed

        // bitmap will not have a long lifetime. Gralloc memory can be pinned or

        // duplicated and might have a higher cost than a skia backed buffer.

        Bitmap ret = bm.copy(bm.getConfig(),true);

        // Create a copy of the screenshot that is immutable and backed in ashmem.

        // This greatly reduces the overhead of passing the bitmap between processes.

        Bitmap ret = bm.createAshmemBitmap();

        bm.recycle();

        return ret;

    }