Initial RCS CL.

This CL adds RcsManager with a dummy API.

Test: build
Bug: 109759350
Change-Id: Ib10a38fac9182ca010d3895431e419f5c1958d59
diff --git a/Android.bp b/Android.bp
index 7e71bdf..47fd8a0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -560,6 +560,7 @@
         "telephony/java/com/android/internal/telephony/IOnSubscriptionsChangedListener.aidl",
         "telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl",
         "telephony/java/com/android/internal/telephony/IPhoneSubInfo.aidl",
+        "telephony/java/com/android/internal/telephony/IRcs.aidl",
         "telephony/java/com/android/internal/telephony/ISms.aidl",
         "telephony/java/com/android/internal/telephony/ISub.aidl",
         "telephony/java/com/android/internal/telephony/IAns.aidl",