Fix - place Clear Recents button above the nav bar

Change-Id: Ie7059cd1f71bae28ff25f367221b7c7ba0131932
Fix up 'clear recents' UX.

Use the 'dismiss all' button drawable and place the button in the upper
right corner. Doing so fixes the broken animation when going into
recents.

Change-Id: I497a8b023f1872c5f9ae5df87af6ed2159e6b7b1
last bit of reboot
Framework: Forward port Long press back to kill app (2/2)

Change-Id: Ia88d8a2753e203afb8d6117a643c33127f991c4a

Conflicts:
	core/res/res/values/cm_strings.xml
	core/res/res/values/config.xml
	core/res/res/values/symbols.xml
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
edit strings