Merge "Improve am --help wording" into main am: 3b84c2ca31 am: 93e169150d am: 168dba80fb

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2787105

Change-Id: I67d847eb0ec78e22018b1d29a4c83d5a5558ce1b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>