43941 Tweaks after the gradle.dart refactor

44301 Don’t print how to consume AARs when building plugins as AARs

44243 Build local maven repo when using local engine

44302 Don’t add x86 nor x64 when building a local engine in debug mode

44637 Attach looks at future observatory URIs

44783 Forward ProcessException to error handlers

44797 Build AAR for all build variants by default

45439 Fallback to protocol discovery if mdns returns null

45579 Add integration test for transitive plugin dependencies

45743 Android log reader reads any recent logs

45937 Handle case where lastLogcatTimestamp is null