Merge kwd to master

Add initial IMS and MSIM support from klp-wireless-dev-mirror

Change-Id: Idb607c0aa32f80fe4fe1539aedea7a221e9e7f04
diff --git a/Android.mk b/Android.mk
index c889fa1..7a46a1f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -341,6 +341,7 @@
 	telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl \
 	telephony/java/com/android/internal/telephony/ISms.aidl \
 	telephony/java/com/android/internal/telephony/IWapPushManager.aidl \
+	telephony/java/com/android/internal/telephony/ISub.aidl \
 	wifi/java/android/net/wifi/IWifiManager.aidl \
 	wifi/java/android/net/wifi/passpoint/IWifiPasspointManager.aidl \
 	wifi/java/android/net/wifi/p2p/IWifiP2pManager.aidl \