问题报错:

Timed out after 300seconds waiting for emulator to come online.

解决方案：升级Android Emulator

情况二：Error while waiting for device:AVD Pixel_4a_API_32 is already running. If that is not the case, delete the files at E:\Android_SDK\sdk.android\avd/Pixel_4a_API_32.avd/*.lock and try again.
解决方法：按提示，删掉此路径下的对应文件：E:\Android_SDK\sdk.android\avd/Pixel_4a_API_32.avd/*.lock 即可。
删除文件前先关闭Androidstudio，否则会提示在运行中无法删除。

成功截图