Add wireframe for biometric TestApis

1) Adds BiometricTestSession and empty implementations
2) Adds TEST_BIOMETRIC permission
3) Grants Shell USE_BIOMETRIC and TEST_BIOMETRIC permission

Bug: 169459906
Test: make -j update-api && make -j

Change-Id: Iea9fd37d7234eb7e5e34a7a2698cbf0ca7a33a77
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index a927997..bba29db 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -329,6 +329,12 @@
     <!-- Permission needed for CTS test - TimeManagerTest -->
     <uses-permission android:name="android.permission.MANAGE_TIME_AND_ZONE_DETECTION" />
 
+    <!-- Permission required for CTS test - android.server.biometrics -->
+    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+
+    <!-- Permission required for CTS test - android.server.biometrics -->
+    <uses-permission android:name="android.permission.TEST_BIOMETRIC" />
+
     <application android:label="@string/app_label"
                 android:theme="@android:style/Theme.DeviceDefault.DayNight"
                 android:defaultToDeviceProtectedStorage="true"