InCallUI: Call Recording [1/2]

Add an option in the InCall UI to perform call recording

Change-Id: Ibe388e8c5502b3436a26641c5d316c04ee73c3bf
InCallUI: Landscape support (for in-dock use / qwerty sliders)

Change-Id: Ibce2c2c1c3fd3950f1191df6ea978fee151bd6ff
InCallUI: Fix landscape layout

- http://review.cyanogenmod.org/65024 missed to do the button change
  also in landscape layout file, causing crash in landscape. Fixed.
- landscape layout updated according to the last 'qcril' merge
  (button order changed)

Change-Id: Ib75c7be432cc0f8ffc28c37d071ae18838cea26d
cleanup from cherry-pick

Change-Id: Ie6e9b65acbdb8a53f77a693f31d2ade1978b0963
	modified:   res/layout-land/call_button_fragment.xml
	modified:   res/values/dimens.xml
Fix NPE in dock mode.

Add the call recording button also to the landscape layout. Also
properly add (and hide) button spacers.

Conflicts:
	res/layout-land/call_button_fragment.xml
	res/layout/call_button_fragment.xml
	src/com/android/incallui/CallButtonFragment.java

Please enter the commit message for your changes. Lines starting
	modified:   res/layout-land/call_button_fragment.xml
	modified:   res/layout/call_button_fragment.xml
	modified:   src/com/android/incallui/CallButtonFragment.java
	modified:   src/com/android/incallui/CallRecordingButton.java

Change-Id: Idc4c7669a78a7445a421bc28bd527f6d423f5c6a