Kill App on Long-Press Back Key (framework)

Change-Id: Ib78fff9e32d95a0a112ddd9274b79b3a3aa626b9

Conflicts:

	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

Long press to kill

Bring changes done in cm7 to ics.
- Vibrate on press
- Show message
- http://review.cyanogenmod.com/#change,5191,patchset=2

Change-Id: Ib1e5eba50cef5d72d81b733f87ac39c09d4212de

Long-press back kill app cleanup

Change-Id: Ida791dca1fbfdc2beccf6ff727b67df56f1956a4

framework: customizable kill app via back key timeout

Allows the time it takes for the back key to kill an app
to be customized via overlay.

Change-Id: Iaa43f81ee448ae7a7663254a830011a0bca5e60f

Conflicts:

	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

Change-Id: Ida791dca1fbfdc2beccf6ff727b67df56f1956a4

Framework : Long press kill fixes

Jellybean introduced changes to systemui's privelege level.
This patch hardcodes a check to avoid killing it.

Patchset 2 : Minor fix
Patchset 3 : Check length of pkgList rather than apps
Patchset 4 : Vibrate on kill

Change-Id: I24af510a62cae9acc29504912fb133825bb67bb6

Framework : Long press back to kill fixes

- Only show message / vibrate if an app was actually killed.
- Escape out of the outter loop as well upon killing an app

Change-Id: I8c1ea2070e8b4b51caab0f6e2b7d31475d1f4601

Kill app back-button : Don't kill default launcher

Avoid killing currently set default launcher.

Change-Id: Iaa2de02cfa1b94faabbb1ca86a01f185a55c5e93