fixes found when running through the getting started process
diff --git a/packages/flutter_tools/lib/src/android/android_sdk.dart b/packages/flutter_tools/lib/src/android/android_sdk.dart
index 0271f3a..b67000a 100644
--- a/packages/flutter_tools/lib/src/android/android_sdk.dart
+++ b/packages/flutter_tools/lib/src/android/android_sdk.dart
@@ -23,7 +23,10 @@
// Perhaps something like `flutter config --android-home=foo/bar`.
/// Locate ADB. Prefer to use one from an Android SDK, if we can locate that.
-String getAdbPath() {
+String getAdbPath([AndroidSdk existingSdk]) {
+ if (existingSdk?.adbPath != null)
+ return existingSdk.adbPath;
+
AndroidSdk sdk = AndroidSdk.locateAndroidSdk();
if (sdk?.latestVersion == null) {
