Merge "Stop ignoring media key events in PhoneFallbackEventHandler while in call" into sc-dev am: d05e7856 am: c48307c5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14495988

Change-Id: I2b741314745242718f05afc613c61e9660e2660c