Update android.yml

.github/workflows/android.yml

@@ -1,32 +1,19 @@
 name: Android CI
-
+on: [push, pull_request]
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
 
 jobs:    
   build:
+    name: "Build"
     runs-on: ubuntu-latest
-    
     steps:
     - uses: actions/checkout@v3
-    - name: set up JDK 11
+    - uses: gradle/wrapper-validation-action@v1
     - uses: joschi/setup-jdk@v2
       with:
         java-version: '11' 
         architecture: 'x64'
         
-    - name: Grant execute permission for gradlew
+    - run: chmod +x gradlew
-      run: chmod +x gradlew
     - name: Build with Gradle
       run: ./gradlew build
       
-  validation:
-    name: "Validation"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: gradle/wrapper-validation-action@v1
-