make switch to last app animation snappier

Change-Id: Ia253a3db45109da7dd4f7a2467184d81c04918b4
(cherry picked from commit 2fed6c47ab3bb6b0cc7adbcc7fc2c94592b81571)
core: Fix typos in AOSP EN resources

Change-Id: I40220888c2fbe87629d17fc52046e554388de3ee
(cherry picked from commit 2296c2d0d41d8f8e7b4fdab9a039588da2c8c962)