Changes

# Download a recent GeckoView AAR from treeherder (mozilla-central tree). The AAR is available from the 'Android API15+ Gradle opt' job under the 'Bg' symbol. After clicking that, there is a link to 'geckoview-0.0.1.aar' in the bottom pane.

# Add the GeckoView AAR to your Gradle / Android Studio project. In Android Studio you can add the .aar as follows:

## Use the 'New Module' option under the 'File' menu.

## Import the .aar file.