Revert "Correct activity's lifecycle when the process was killed in background."

This reverts commit bec26a072882e596d27ec1a6ed1ba700ad5cc310.

Reason for revert: 334702695

Change-Id: I4faa1b19476517c25908f7cdd37ea12cb1ad5183
Merged-In: I80756609fe643877971408934b19ad97aa0ae746
2 files changed