shell/platform/android/robolectric.properties - mirrors/engine - Git at Google

 # Match the value at shell/platform/android/embedding_bundle/build.gradle.
 # TODO(https://github.com/flutter/flutter/issues/57655): figure out
 # what's wrong with sdk=29.
 sdk=28
	# Match the value at shell/platform/android/embedding_bundle/build.gradle.
	# TODO(https://github.com/flutter/flutter/issues/57655): figure out
	# what's wrong with sdk=29.
	sdk=28