[automerger skipped] Merge "DO NOT MERGE Enable hiding system bars by side when IME appears." into rvc-qpr-dev am: 2d1d3d0897 am: c1700a6adc -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12586399

Change-Id: I595c31171193b3f7f7f7fe1d81d4eef5cd8961fa