fix(gradle): 移除本地 Java 路径配置以支持 CI/CD

- 注释掉 org.gradle.java.home 配置
- 让 Gradle 使用系统默认的 Java
- 修复 GitHub Actions 构建失败问题

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

android/gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx4048m -Dfile.encoding=UTF-8
 android.useAndroidX=true
 android.enableJetifier=true
-org.gradle.java.home=/Users/mac/Library/Java/JavaVirtualMachines/ms-17.0.16/Contents/Home
+# org.gradle.java.home=/Users/mac/Library/Java/JavaVirtualMachines/ms-17.0.16/Contents/Home