[automerger skipped] Merge "DO NOT MERGE: WM: Only allow system to use NO_INPUT_CHANNEL." into pi-dev am: 4f162df18e -s ours am: bbd4d45090

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13206662

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9118e44b35a309a57bbab3073dad028c69fe705f