Fix WebAuthenticationSession fallback cancellation (#92)

In the fallback, we try to bind a session to the CustomTabsClient, but we're not allowed to do that unless we add this `<queries>` element.

See skiptools/skip-authentication-services#14 for details.

Author: dfabulich

Android/app/src/main/AndroidManifest.xml

@@ -26,6 +26,12 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
 
+    <queries>
+        <intent>
+            <action android:name="android.support.customtabs.action.CustomTabsService" />
+        </intent>
+    </queries>
+
     <application
         android:label="${PRODUCT_NAME}"
         android:name=".AndroidAppMain"