add flag to stage SaveLayerRec change
add flag to stage SaveLayerRec change

Test: make

Change-Id: Iff3f94cdf9ede235ce7fde450441da387a11d6ab

aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia