MS: Adding Support for Emergency APN in Telephony Framework
(base/telephony)

Replacement for https://partner-android-review.googlesource.com/#/c/171175/

Change-Id: I16fc37f5c00ed79f2370bc46554fc7a24c52c4cb
Conflicts:
	core/java/android/net/ConnectivityManager.java
6 files changed