Enable `GradleCompatible` lint check
Enable `GradleCompatible` lint check

Reverts commit # 9f204f8 in which this check was disabled.
Now that we are using Android Studio 3.5+ we can safely enable this lint
check back again.

edx/edx-app-android,edx/edx-app-android,edx/edx-app-android,edx/edx-app-android,edx/edx-app-android,edx/edx-app-android