am b9b9b3e2: (-s ours) am 6f37a7f9: am eea0aa25: Support primitive ALT-TAB style navigation using Recent Apps. (DO NOT MERGE)

* commit 'b9b9b3e271ce33f71797d6795bcccb5d0bcd6292':
  Support primitive ALT-TAB style navigation using Recent Apps. (DO NOT MERGE)