Merge "GpuWork: Clarify documentation comment" into tm-dev am: c52185039b

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

Change-Id: I24a8353da4e178ab26829aab765f1de8c6922e94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>