DO NOT MERGE IpConnectivityMetrics reads buffer size in settings

Test: IpConnectivityMetricsTest passes. Also manually changed the new
setting and verified the buffer size is as expected after flushing the
buffer.
Bug: 32198637

(cherry pick from commit d5f78a08b4a4bc0bc2b767f06eb4d01df08f5ef9)

Change-Id: Ie7ca1638533479601c5983bb6e54705003561b6c
diff --git a/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java b/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java
index 3fc89b9..2936e39 100644
--- a/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java
+++ b/services/tests/servicestests/src/com/android/server/connectivity/IpConnectivityMetricsTest.java
@@ -57,7 +57,7 @@
 
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mService = new IpConnectivityMetrics(mCtx);
+        mService = new IpConnectivityMetrics(mCtx, (ctx) -> 2000);
     }
 
     public void testLoggingEvents() throws Exception {