Create a separate sub package for resources inside metrics to easily manage the access permissions.

Author: visumickey

firebase-perf/src/main/java/com/google/firebase/perf/metrics/ResourceType.java renamed to firebase-perf/src/main/java/com/google/firebase/perf/metrics/resource/ResourceType.java

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.firebase.perf.metrics;
+package com.google.firebase.perf.metrics.resource;
 
 import androidx.annotation.StringDef;
 import java.lang.annotation.Retention;

firebase-perf/src/main/java/com/google/firebase/perf/metrics/resource/package-info.java

@@ -0,0 +1,18 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/** @hide */
+/** @hide */
+package com.google.firebase.perf.metrics.resource;
+

firebase-perf/src/main/java/com/google/firebase/perf/transport/RateLimiter.java

@@ -14,15 +14,15 @@
 
 package com.google.firebase.perf.transport;
 
-import static com.google.firebase.perf.metrics.ResourceType.NETWORK;
-import static com.google.firebase.perf.metrics.ResourceType.TRACE;
+import static com.google.firebase.perf.metrics.resource.ResourceType.NETWORK;
+import static com.google.firebase.perf.metrics.resource.ResourceType.TRACE;
 
 import android.content.Context;
 import androidx.annotation.NonNull;
 import com.google.android.gms.common.util.VisibleForTesting;
 import com.google.firebase.perf.config.ConfigResolver;
 import com.google.firebase.perf.logging.AndroidLogger;
-import com.google.firebase.perf.metrics.ResourceType;
+import com.google.firebase.perf.metrics.resource.ResourceType;
 import com.google.firebase.perf.util.Clock;
 import com.google.firebase.perf.util.Constants;
 import com.google.firebase.perf.util.Timer;

firebase-perf/src/test/java/com/google/firebase/perf/transport/RateLimiterTest.java

@@ -15,8 +15,8 @@
 package com.google.firebase.perf.transport;
 
 import static com.google.common.truth.Truth.assertThat;
-import static com.google.firebase.perf.metrics.ResourceType.NETWORK;
-import static com.google.firebase.perf.metrics.ResourceType.TRACE;
+import static com.google.firebase.perf.metrics.resource.ResourceType.NETWORK;
+import static com.google.firebase.perf.metrics.resource.ResourceType.TRACE;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.when;
 import static org.mockito.MockitoAnnotations.initMocks;