Merge "Improve wording of ALooper_pollAll docs." into main am: 2d66014572 am: 931a771b60

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

Change-Id: I6025b33f0a8e00f3b7e2d7e3f8af7dbabcf28fe6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>