Move the callbacks in app died/crash handling out of WM global lock

These callbacks would require the AM proc lock internally, result in
dead lock.

Bug: 186067587
Test: adb shell am monitor & crash app manually
Test: atest ActivityStarterTests
Test: presubmit
Change-Id: Ia1b95d7c4fca25cb6f21abf0c295aa51258b1e0c