update build_test

.github/workflows/build_test.yml

@@ -29,13 +29,13 @@ jobs:
       matrix:
         os: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v2
         with:
           java-version: "12.x"
-        - uses: subosito/flutter-action@v2
-          with:
-            channel: stable
-        - run: flutter pub get
-        - run: sudo echo "y" | sudo $ANDROID_HOME/tools/bin/sdkmanager "ndk;20.0.5594570"
-        - run: cd example; flutter build apk --debug
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+      - run: flutter pub get
+      - run: sudo echo "y" | sudo $ANDROID_HOME/tools/bin/sdkmanager "ndk;20.0.5594570"
+      - run: cd example; flutter build apk --debug