Revert "Make sure top activity is stopped on sleep if paused."

This reverts commit 01cffc296b1c40c3fbc7533c9ef885807a8dbc6c.

Reason for revert: causing b/65498626

Bug: 65457314
Fixes: 65498626
Change-Id: I47ddfcccaf94ceadf2104973402b3cdc50876a36
1 file changed