Merge "adb: Update $ADB_TRACE documentations" into main am: 62ce4fb311

Original change: https://android-review.googlesource.com/c/platform/packages/modules/adb/+/3124215

Change-Id: I5515e446d0ea00cd833d004910dd1de83ea5075a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>