Move Field proto out of stats_log.proto to keep it clean.

Test: statsd unit test passed.

Change-Id: I31ffea40cf1b82c16bf37c706969bfb159639c7b

cmds/statsd/Android.mk

@@ -19,6 +19,7 @@ statsd_common_src := \
     ../../core/java/android/os/IStatsManager.aidl \
     src/stats_log.proto \
     src/statsd_config.proto \
+    src/statsd_internal.proto \
     src/atoms.proto \
     src/field_util.cpp \
     src/stats_log_util.cpp \

cmds/statsd/src/dimension.cpp

@@ -17,6 +17,7 @@
 #include "Log.h"
 
 #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
+#include "frameworks/base/cmds/statsd/src/statsd_internal.pb.h"
 #include "dimension.h"
 #include "field_util.h"
 

cmds/statsd/src/field_util.h

@@ -17,6 +17,7 @@
 #pragma once
 
 #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
+#include "frameworks/base/cmds/statsd/src/statsd_internal.pb.h"
 #include "frameworks/base/cmds/statsd/src/stats_log.pb.h"
 
 #include <unordered_map>

cmds/statsd/src/stats_log.proto

@@ -24,12 +24,6 @@ option java_outer_classname = "StatsLog";
 
 import "frameworks/base/cmds/statsd/src/atoms.proto";
 
-message Field {
-  optional int32 field = 1;
-  optional int32 position_index = 2 [default = -1];
-  repeated Field child = 3;
-}
-
 message DimensionsValue {
   optional int32 field = 1;
 

cmds/statsd/src/statsd_internal.proto

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.
+ */
+
+syntax = "proto2";
+option optimize_for = LITE_RUNTIME;
+
+package android.os.statsd;
+
+option java_package = "com.android.os";
+option java_outer_classname = "StatsdInternalProto";
+
+message Field {
+  optional int32 field = 1;
+  optional int32 position_index = 2 [default = -1];
+  repeated Field child = 3;
+}