github.com/flutter/flutter changes required to use kernel

packages/flutter_tools/lib/src/commands/build_apk.dart

Index: packages/flutter_tools/lib/src/commands/build_apk.dart
diff --git a/packages/flutter_tools/lib/src/commands/build_apk.dart b/packages/flutter_tools/lib/src/commands/build_apk.dart
index 114b8622a3f19585d7f69fa205ef918de0c766db..86d8854a7f56ac07eee5ff6ffadf76088bf79398 100644
--- a/packages/flutter_tools/lib/src/commands/build_apk.dart
+++ b/packages/flutter_tools/lib/src/commands/build_apk.dart
@@ -553,9 +553,12 @@ Future<Null> buildAndroid(
 
   // Build an AOT snapshot if needed.
   if (isAotBuildMode(buildMode) && aotPath == null) {
-    aotPath = await buildAotSnapshot(findMainDartFile(target), platform, buildMode);
-    if (aotPath == null)
+    String dartFile = findMainDartFile(target);
+    String dillFile = await buildDilFile(dartFile);
+    aotPath = await buildAotSnapshot(dillFile != null ? dillFile : dartFile, platform, buildMode);
+    if (aotPath == null) {
       throwToolExit('Failed to build AOT snapshot');
+    }
   }
 
   if (aotPath != null) {