Add note to README about Apply Changes (getodk#3177)

README.md

@@ -205,7 +205,7 @@ When cloning the project from Android Studio, click "No" when prompted to open t
 
 #### Execution failed for task ':collect_app:transformClassesWithInstantRunForDebug'.
 
-We have seen this problem happen in both IntelliJ IDEA and Android Studio, and believe it to be due to a bug in the IDE, which we can't fix.  As a workaround, turning off [Instant Run](https://developer.android.com/studio/run/#set-up-ir) will usually avoid this problem.  We haven't yet found a way to use Instant Run with this project.
+We have seen this problem happen in both IntelliJ IDEA and Android Studio, and believe it to be due to a bug in the IDE, which we can't fix.  As a workaround, turning off [Instant Run](https://developer.android.com/studio/run/#set-up-ir) will usually avoid this problem.  We haven't yet found a way to use Instant Run with this project but this will most likely be fixed in Android Studio 3.5 with the new [Apply Changes](https://medium.com/androiddevelopers/android-studio-project-marble-apply-changes-e3048662e8cd) feature.
 
 #### Moving to the main view if user minimizes the app
 If you build the app on your own using Android Studio `(Build -> Build APK)` and then install it (from an `.apk` file), you might notice this strange behaviour thoroughly described: [#1280](https://github.com/opendatakit/collect/issues/1280) and [#1142](https://github.com/opendatakit/collect/issues/1142).