Merge "Waiting for idle in test" am: ef4488fb0d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1550420

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia335a4fedabed9eed6465d08e5ea882c259539e1

tests/net/java/com/android/server/ConnectivityServiceTest.java

@@ -8429,6 +8429,7 @@ public class ConnectivityServiceTest {
         mCm.registerNetworkCallback(genericRequest, genericNetworkCallback);
         mCm.registerNetworkCallback(wifiRequest, wifiNetworkCallback);
         mCm.registerNetworkCallback(cellRequest, cellNetworkCallback);
+        waitForIdle();
 
         final ConnectivityService.NetworkRequestInfo[] nriOutput = mService.requestsSortedById();