Added gvr-android-sdk to third_party/

third_party/gvr-android-sdk/BUILD.gn

+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/android/rules.gni")
+
+android_aar_prebuilt("gvr_common_java") {
+  aar_path = "src/ndk-beta/lib/common_library.aar"
+  jar_excluded_patterns = [ "*/protobuf/*" ]
+}
+
+android_aar_prebuilt("gvr_base_java") {
+  aar_path = "src/libraries/base/base.aar"
+}
+
+android_aar_prebuilt("gvr_controller_java") {
+  aar_path = "src/libraries/controller/controller.aar"
+}
+
+source_set("libgvr") {
+  deps = [
+    ":libgvr_shared_library",
+  ]
+  libs = [ "$root_out_dir/libgvr.so" ]
+}
+
+copy("libgvr_shared_library") {
+  if (target_cpu == "arm") {
+    sources = [
+      "src/ndk-beta/lib/android_arm/libgvr.so",
+    ]
+  } else if (target_cpu == "arm64") {
+    sources = [
+      "src/ndk-beta/lib/android_arm64/libgvr.so",
+    ]
+  } else if (target_cpu == "x86") {
+    sources = [
+      "src/ndk-beta/lib/android_x86/libgvr.so",
+    ]
+  } else if (target_cpu == "x64") {
+    sources = [
+      "src/ndk-beta/lib/android_x86_64/libgvr.so",
+    ]
+  }
+  outputs = [
+    "${root_out_dir}/libgvr.so",
+  ]
+}
+
+config("libgvr_config") {
+  include_dirs = [ "src/ndk-beta/include/" ]
+}