[FM] Add FM permission to support FM radio app

Add FM permission like KK to support FM radio app.

Change-Id: Ifb76f63e3136a5f88306903fd28e9abbb01e69c9
Signed-off-by: Benson Huang <benson.huang@mediatek.com>

Conflicts:
	data/etc/platform.xml
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index e029d90..c9a78fa 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1088,6 +1088,14 @@
         android:label="@string/permlab_hardware_test"
         android:description="@string/permdesc_hardware_test" />
 
+    <!-- @SystemApi Allows access to FM
+         @hide This is not a third-party API (intended for system apps).-->
+    <permission android:name="android.permission.ACCESS_FM_RADIO"
+        android:permissionGroup="android.permission-group.HARDWARE_CONTROLS"
+        android:protectionLevel="signature|system"
+        android:label="@string/permlab_fm"
+        android:description="@string/permdesc_fm" />
+
     <!-- Allows access to configure network interfaces, configure/use IPSec, etc.
          @hide -->
     <permission android:name="android.permission.NET_ADMIN"