Enable to add ComponentCallbacks to Activity

This CL is mainly from the requirements to receive WindowMetrics
updates in Jetpack Library. It also benefits the developers if
they want to listen to Activity's configuration changes outside
Activity

Test: atest RegisterComponentCallbacksTest
Bug: 199442549
Change-Id: Iff5c0a4d9c61d30b84ff9aee465f1b6b06f1a48d