Merge "GpuWork: Clarify documentation comment" into tm-dev am: c5218503 am: 82269111

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/17664358



Change-Id: I79dd2a6c8355a1307326efd6239bf8bbcb16308c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>