Phone: Add a controller for proximity sensor

Add the setting for enable proximity sensor or not when calling

Change-Id: Icecacbda92c265814fe675a9d4d701cf17312b05
Telephony: Show emergency call number

Show emergency call number when calling.
CRs-Fixed: 515433

Change-Id: Iec2ec2c31be93b8dd113ba0ef51b6577eaf9d576
InCallUI : Support UX enhanced status bar

Add SIM info on outgoing call in status bar.

Change-Id: I9748bbb5274fc8c5bb7cfc1b76a3dbcc8d3541d9
InCallUI: add volume boost UI in call UI.

Add volume boost UI in calling screen to enable volume boost and volume
enhancement function during calling.

Conflicts:
	res/layout/primary_call_info.xml
	res/values-zh-rCN/strings.xml
	res/values/strings.xml
	src/com/android/incallui/CallCardFragment.java

Change-Id: Ic42d8a24602939038c60e6a1a2812a4125200c99
Fix NullPointerException in ProximitySensor initialization

Update the sensor status after all vars initialized

Change-Id: I576a15f0db5c3cba82dcca28a72c44a4b75b361f
Enable home location feature

Check whether home location provider exist and if yes, query the location.

Change-Id: I8c08613a2f730d3d2ca3c8078bf87f1226218785
InCallUI : Update volume boost UI icon

Update volume boost UI new icon.

Change-Id: I3474504c64d0547aa7f6ed411b293e0d28a7a7e4
InCallUI : volume boost unexpected turn off

Fix the volume boost unexpected turn off when hold phone or Call status
changed.

CRs-Fixed: 601169

Change-Id: I32370189e1e4cdcb975df756f48d683752dc619c