Shorten a timeout

This timeout is not very useful but will be incurred every
time

Test: ConnectivityServiceTest
Change-Id: Ia7c76c7c7a148f14844d098be267e16c215776f5
diff --git a/tests/unit/java/com/android/server/ConnectivityServiceTest.java b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
index 3be63d8..bc50d0d 100644
--- a/tests/unit/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
@@ -9402,7 +9402,7 @@
         // Make sure BatteryStats was not told about any v4- interfaces, as none should have
         // come online yet.
         waitForIdle();
-        assertNull(readHead.poll(TIMEOUT_MS, ri -> mServiceContext.equals(ri.context)
+        assertNull(readHead.poll(0 /* timeout */, ri -> mServiceContext.equals(ri.context)
                 && ri.iface != null && ri.iface.startsWith("v4-")));
 
         verifyNoMoreInteractions(mMockNetd);