[automerger skipped] Merge "[DO NOT MERGE ANYWHERE] Add swipes left method in Background.java" into rvc-qpr-dev am: 86a07cf7 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12947940

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I3efe59e78bc7fd5e2d4214360aaefb0eabca53b2