Merge "Improve wording of ALooper_pollAll docs." into main am: 2d66014572

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3353154

Change-Id: Id4266f0da8877bfb7265592c0fdf27a249df5783
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>