Unregister native pull atom callback

Statsd changes to unregister a native puller.

Bug:14437325
Test: builds, boots
Change-Id: I1a1841de6e913f681c51919fcb9b18e30eb37801
diff --git a/cmds/statsd/src/StatsService.cpp b/cmds/statsd/src/StatsService.cpp
index 1ca19c34..ada2f2d 100644
--- a/cmds/statsd/src/StatsService.cpp
+++ b/cmds/statsd/src/StatsService.cpp
@@ -1312,6 +1312,13 @@
     return Status::ok();
 }
 
+Status StatsService::unregisterNativePullAtomCallback(int32_t atomTag) {
+    VLOG("StatsService::unregisterNativePullAtomCallback called.");
+    int32_t uid = IPCThreadState::self()->getCallingUid();
+    mPullerManager->UnregisterPullAtomCallback(uid, atomTag);
+    return Status::ok();
+}
+
 Status StatsService::sendBinaryPushStateChangedAtom(const android::String16& trainNameIn,
                                                     const int64_t trainVersionCodeIn,
                                                     const int options,