Bump gradle-build-action to 2.7 (#738)

Author: skydoves

.github/workflows/android.yml

@@ -155,7 +155,7 @@ jobs:
 
       # Sets gradle up
       - name: Setup Gradle
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v2.7
 
       # Cleans managed device if previously settle and space currently is not available
       - name: Clean Managed Devices