Standalone SDK Manager option in Android Studio 2.3

It is a deprecated feature: https://code.google.com/p/android/issues/detail?id=235625 There is an option in Android Studio to "Show Package Details".

For manual SDK and AVD management, please use Android Studio. For command-line tools, use tools/bin/sdkmanager and tools/bin/avdmanager

See also: https://www.reddit.com/r/androiddev/comments/5x6adh/android_studio_23_is_now_available_in_the_stable/deg48lj/