Update template to work with debugOptimized variant (#155)

Author: cortinico

template/android/app/src/debug/AndroidManifest.xml

@@ -9,6 +9,7 @@
       android:roundIcon="@mipmap/ic_launcher_round"
       android:allowBackup="false"
       android:theme="@style/AppTheme"
+      android:usesCleartextTraffic="${usesCleartextTraffic}"
       android:supportsRtl="true">
       <activity
         android:name=".MainActivity"