Initialize AtomicBoolean for NetworkLogger#mIsLoggingEnabled

Test: cts-tradefed run cts --module DevicePolicyManager --test com.android.cts.devicepolicy.DeviceOwnerTest#testNetworkLoggingWithSingleUser
Bug: 29748723

(cherry picked from commit e4dfd2d0028ff1c7088ec58a4d3eaf8f222311e6)

Change-Id: Ib175f1d57093590b0080f32dc5f6c60ea50066e0
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/NetworkLogger.java b/services/devicepolicy/java/com/android/server/devicepolicy/NetworkLogger.java
index 5f464bd..49ae2bc3 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/NetworkLogger.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/NetworkLogger.java
@@ -46,11 +46,11 @@
 
     private final DevicePolicyManagerService mDpm;
     private final PackageManagerInternal mPm;
+    private final AtomicBoolean mIsLoggingEnabled = new AtomicBoolean(false);
 
     private IIpConnectivityMetrics mIpConnectivityMetrics;
     private ServiceThread mHandlerThread;
     private NetworkLoggingHandler mNetworkLoggingHandler;
-    private AtomicBoolean mIsLoggingEnabled;
 
     private final INetdEventCallback mNetdEventCallback = new INetdEventCallback.Stub() {
         @Override