Move Sms API to proper MMTelFeature class

- while here remove unnecessary call to ackSms from
  SmsImplBase as this is handled by ImsSmsDispatcher

Test: None, APIs not exercised yet.
BUG=69846044
Merged-In: Iec4bbd07a67502dbbfb2142a7bc95f51be0cb377
Change-Id: Iec4bbd07a67502dbbfb2142a7bc95f51be0cb377
diff --git a/Android.bp b/Android.bp
index 69fb459..d14a433 100644
--- a/Android.bp
+++ b/Android.bp
@@ -496,6 +496,7 @@
         "telephony/java/com/android/ims/internal/IImsService.aidl",
         "telephony/java/com/android/ims/internal/IImsServiceController.aidl",
         "telephony/java/com/android/ims/internal/IImsServiceFeatureCallback.aidl",
+	"telephony/java/com/android/ims/internal/IImsSmsListener.aidl",
         "telephony/java/com/android/ims/internal/IImsStreamMediaSession.aidl",
         "telephony/java/com/android/ims/internal/IImsUt.aidl",
         "telephony/java/com/android/ims/internal/IImsUtListener.aidl",