[add] local.properties generate step 추가

Author: easyhooon

.github/workflows/android-ci.yml

@@ -34,6 +34,10 @@ jobs:
                 with:
                     gradle-home-cache-cleanup: true
 
+            -   name: Generate local.properties
+                run: |
+                    echo "sdk.dir=$ANDROID_SDK_ROOT" >> local.properties
+
             -   name: Generate secrets.properties
                 run: |
                     echo "SERVER_BASE_URL=${{ secrets.SERVER_BASE_URL }}" >> secrets.properties