Merge "Register quick_exit handler only for API level >= 21" am: ac2e71ce69 am: 59bbe8e44a am: 4e673236a4

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1692545

Change-Id: I66bf4b763eeb209c7e4029b1a4c4431286b13008