Android Studio 2.2 Beta 2 发布，包含了大量的 bug 修复
Unit Test and Test Issues generally should now be working again.
Gradle and Gradle Plugin Bug Fixes including around pro guard and native development
More bug fixes
下载地址
Windows: https://dl.google.com/dl/android/studio/ide-zips/2.2.0.8/android-studio-ide-145.3200535-windows.zip (461.5 MIB）
Mac: https://dl.google.com/dl/android/studio/ide-zips/2.2.0.8/android-studio-ide-145.3200535-mac.zip (462.1 MIB）
Linux: https://dl.google.com/dl/android/studio/ide-zips/2.2.0.8/android-studio-ide-145.3200535-linux.zip (461.2 MIB）