Merge "Clarify meaning of --port flag" into main am: a1133e904c am: ead6b15f2e

Original change: https://android-review.googlesource.com/c/platform/development/+/2656751

Change-Id: Ib242062913c1b949b43be7ee4a0e2dedcafc0a57
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>