Revert submission 13804074-controller-lifecycle
Reason for revert: ag/182373167, see a crash related to this new cl.
Reverted Changes:
I39ac69f24:Use androidx LifecycleObserver for wiring up contr...
I086620e31:Add javadoc about lifecycles for xml defined Contr...
Fix: 182373167
Change-Id: I7e6d2e9e6fd363a3afdd3dbab24e7c3b36e9ed29