Fix ordering of home keypress handling

* Home keypress handling was done out of order, causing an extra go home
  action to be executed.

Change-Id: Ieb2f6ffbf6d1e18a5d4602975f48717089e5c9dc
policy: fix menu key for devices with no physical menu key

Initialize key behaviour correctly for the case where the respective key
isn't present in hardware.

Change-Id: I424f879dcf5e09c0897d7ebf7646efe36661d108

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
Fix virtual key press detection.

Virtual key events can be injected from anywhere, not just
PhoneWindowManager.

Change-Id: Ia9529c6534a208bf713912fc63f81a016754c6a6

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
Enable custom actions for double-tap home (1/2)

PatchSet1: add custom actions
PatchSet2: set defaults
PatchSet3: try to get defaults from config.xml
PatchSet4:
* do get defaults from config.xml
* store state of HARDWARE_KEY_REBINDING
* removed trailing whitespaces
PatchSet5: merge with 48002
PatchSet6: getting late, forgot to change the title when merging
PatchSet7: remove whitespace trimming, reduce code duplication
PatchSet8: rebase, simplify code

Change-Id: I041e7ab3853b356ddbdab2524f096546319276f9