Remove usages of ActionBarActivity.

ActionBarActivity has been deprecated for 2+ years and has been
extending AppCompatActivity for all that time. These changes
should be no-ops.

Bug: 35253513
Test: None
Change-Id: I5d1295b253381810b8e6936705ea4bd4198a700d
(cherry picked from commit 69951ecebbf58d0d2ea41c3200174e9ebe91e964)
5 files changed