fix: streamline JDK 17 installation process in Android build workflow

.gitea/workflows/android.yaml

@@ -33,16 +33,13 @@ jobs:
 
       - name: Install JDK 17
         run: |
-          if java -version 2>&1 | grep -q "17"; then
-            echo "JDK 17 is already installed"
-          elif command -v apt-get &> /dev/null; then
-            sudo apt-get update && sudo apt-get install -y openjdk-17-jdk
-            echo "JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64" >> $GITHUB_ENV
-          elif command -v brew &> /dev/null; then
-            brew install openjdk@17
-            sudo ln -sfn "$(brew --prefix openjdk@17)/libexec/openjdk.jdk" /Library/Java/JavaVirtualMachines/openjdk-17.jdk
-            echo "JAVA_HOME=$(/usr/libexec/java_home -v 17)" >> $GITHUB_ENV
+          if ! java -version 2>&1 | grep -q "17"; then
+            apt-get update && apt-get install -y openjdk-17-jdk
           fi
+          JAVA_DIR=$(dirname $(dirname $(readlink -f $(which java))))
+          echo "JAVA_HOME=$JAVA_DIR" >> $GITHUB_ENV
+          export JAVA_HOME="$JAVA_DIR"
+          echo "JAVA_HOME set to $JAVA_HOME"
 
       - name: Install Android SDK
         run: |