Add API in TelecomService to manage blocked numbers.

BUG: 26917087
Change-Id: I0c13665849994eca28009ed35ba8b13c3585a5ff
diff --git a/telecomm/java/com/android/internal/telecom/ITelecomService.aidl b/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
index af36b3e..95c8db5 100644
--- a/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
+++ b/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
@@ -243,4 +243,9 @@
      * @see TelecomServiceImpl#setDefaultDialer
      */
     boolean setDefaultDialer(in String packageName);
+
+    /**
+    * @see TelecomServiceImpl#launchManageBlockedNumbersActivity
+    **/
+    void launchManageBlockedNumbersActivity(in String callingPackageName);
 }