42360 Add smoke test for the new Android embedding

42548 Print message and log event when app isn’t using AndroidX

42684 Remove isNewAndroidEmbeddingEnabled flag when reading an existing pro…

42709 Test Gradle on Windows

42981 Remove GeneratedPluginRegistrant.java

43187 Ensure android.enableR8 is appended to a new line

43479 Refactor gradle.dart

43669 Don’t read AndroidManifest.xml if it doesn’t exit

43674 Add missing import

43675 Fix device lab tests

43927 Fix stdout test

43941 Tweaks after the gradle.dart refactor