you can use 'Android iOS Emulator' plugin and Add the Android Studio emulator script to your settings in Visual Studio Code:
Mac:
emulator.emulatorPath": "~/Library/Android/sdk/tools/emulator
Windows:
emulator.emulatorPath": "<your android home>\\Sdk\\emulator\\emulator.exe
Linux:
emulator.emulatorPath": "~/Documents/SDK/tools
Your visual studio code settings are found here: File -> Preferences -> Setting -> User Setting -> Extensions -> Emulator Configuration. Open command pallete Cmd-Shift-P -> Type Emulator