Merge tag 'AU_LINUX_ANDROID_LA.BF64.1.2.1.05.00.02.066.045' into HEAD

AU_LINUX_ANDROID_LA.BF64.1.2.1.05.00.02.066.045 based on quic/aosp/LA.BF64.1.2.1

* tag 'AU_LINUX_ANDROID_LA.BF64.1.2.1.05.00.02.066.045':
  IMS: IMS Registration error codes support
  IMS: Fix crash when participant leaves from conference.
  IMS: Propagate the call session handover info to the UI

Conflicts:
	src/java/com/android/ims/ImsCall.java

Change-Id: If0cc76339353247070017c1bf8271bab6a3831a2
tree: e85c9dd43884fae8811a5b1e1c7de1190215f82c
  1. src/
  2. Android.mk
  3. CleanSpec.mk
  4. README.txt