Create libstatssocket_q

Break up libstatssocket into libstatssocket_q and libstatssocket.
libstatssocket_q is for Q Mainline modules.

Bug: 145569088
Test: m -j
Test: bit statsd_test:*
Test: adb shell cmd stats print-logs && adb logcat "*:S statsd:*"
Change-Id: I9d113b37640345ebad6aa269ab710db0d2179671
diff --git a/libstats/socket/Android.bp b/libstats/socket/Android.bp
new file mode 100644
index 0000000..b7c07b6
--- /dev/null
+++ b/libstats/socket/Android.bp
@@ -0,0 +1,40 @@
+//
+// Copyright (C) 2018 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.
+//
+
+// =========================================================================
+// Native library to write stats log to statsd socket on Android R and later
+// =========================================================================
+cc_library {
+    name: "libstatssocket",
+    srcs: [
+        "stats_event.c",
+        "stats_event_list.c",
+        "statsd_writer.c",
+    ],
+    host_supported: true,
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-DLIBLOG_LOG_TAG=1006",
+        "-DWRITE_TO_STATSD=1",
+        "-DWRITE_TO_LOGD=0",
+    ],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "libcutils",
+        "liblog",
+    ],
+}