Added IContentCaptureServiceCallback.

This binder object will be used to implement the ContentCaptureService methods that require calls to
system server.

Bug: 122595322
Test: atest CtsContentCaptureServiceTestCases

Change-Id: If918af540f78777d00970e0fc75df458aad168b7
diff --git a/Android.bp b/Android.bp
index 7e97e66..6cdbeb0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -305,6 +305,7 @@
         "core/java/android/service/euicc/IUpdateSubscriptionNicknameCallback.aidl",
         "core/java/android/service/gatekeeper/IGateKeeperService.aidl",
         "core/java/android/service/contentcapture/IContentCaptureService.aidl",
+        "core/java/android/service/contentcapture/IContentCaptureServiceCallback.aidl",
         "core/java/android/service/notification/INotificationListener.aidl",
         "core/java/android/service/notification/IStatusBarNotificationHolder.aidl",
         "core/java/android/service/notification/IConditionListener.aidl",