[automerger skipped] Merge "[DO NOT MERGE ANYWHERE] Add swipes left method in Background.java" into rvc-dev am: 57874e6b39 -s ours am: a449c9323e -s ours am: e832389844 -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: I9facd3f45c531cd0ea6ffa3d3a012c85038cc9ed