Merge "Let position of system bars can be restored by swipe" into rvc-dev am: ac4e36b9 am: c298524c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11612964

Change-Id: I4d65104adf54c50f3f0e6c9cdf8ea4794239951c