Merge "GpuWork: Clarify documentation comment" into tm-dev am: c52185039b am: 822691117e am: f3dcff52f0

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

Change-Id: If3a3d0914dd5ceb7a7e610cbd4a1480aca47d07b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>