^^^
See https://bugs.chromium.org/p/chromium/issues/detail?id=710811 for internal context.
Release builds of our test APKs include the app code, which generally allows us to proguard our app APKs more aggresively. Our largest test APK just hit the dex limit because of this. Unfortunately, the multidex support library does not currently support multidex test APKs.
Comment 1 by jbudorick@chromium.org
, Apr 18 2017