Merge "Improve am --help wording" into main am: 3b84c2ca31 am: 99f57d201a am: 11b1c01ab6

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

Change-Id: If6f2bc932d90ad49ecf9eb60fc7a6bebc544a5ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>