Merge "Release leashes of insets controls if they are not needed" into sc-dev am: ef1bb2c9 am: 1d0f287c am: ce02de7b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15090014

Change-Id: I27c5407b9642b00d1ba5c62d76426713d853a626