[automerger skipped] libstagefright: add default gralloc usage for detached...

[automerger skipped] libstagefright: add default gralloc usage for detached surface am: 43f49377 -s ours

am skip reason: Merged-In I9d7b46fb7ce3b22c2d82b4a3cbd797c9ea5feb69 with SHA-1 716bdca6 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3260830



Change-Id: Ie139002f3647d18c08769a958ac9c6ea7178fe94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>