add comments from dnfield@

CareF · CareF · commit 4d0da44f64fc · 2020-07-28T14:17:05.000-04:00
diff --git a/packages/e2e/README.md b/packages/e2e/README.md
@@ -134,6 +134,7 @@ instrumentation test for Android, after creating `androidTest` as suggested in t
 
 ```bash
 pushd android
+# flutter build generates files in android/ for building the app
 flutter build apk
 ./gradlew app:assembleAndroidTest
 ./gradlew app:assembleDebug -Ptarget=<path_to_test>.dart
