Support Gba Api

Added api to support generic authentication architecture, and the test
application

Bug: 154865133
Test: atest cts/tests/tests/telephony/current/src/android/telephony/gba/cts/
Test: manual by GbaTestApp

Change-Id: Ib82637056e7daa451c644bb7a33ed308707b6b53
diff --git a/testapps/GbaTestApp/Android.bp b/testapps/GbaTestApp/Android.bp
new file mode 100644
index 0000000..cb6df4e
--- /dev/null
+++ b/testapps/GbaTestApp/Android.bp
@@ -0,0 +1,26 @@
+// Copyright 2020 Google Inc. All rights reserved.
+//
+// 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.
+
+android_test {
+    name: "GbaTestApp",
+    static_libs: [
+        "androidx.appcompat_appcompat",
+	"androidx-constraintlayout_constraintlayout",
+	"ub-uiautomator",
+    ],
+    srcs: ["src/**/*.java"],
+    javacflags: ["-parameters"],
+    platform_apis: true,
+    certificate: "platform",
+}