[automerger skipped] Merge "[DO NOT MERGE ANYWHERE] Add swipes left method in Background.java" into rvc-dev am: 57874e6b -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12793279

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I3eeabee22f4b278eb079424059eed871c8fd5f39