Added chatbot and chatbot standalone descriptions for bot versions #1,#2 am:...

Added chatbot and chatbot standalone descriptions for bot versions #1,#2 am: 4f4f2241 am: c886bd08 am: 5c454fa9

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ims/+/1946770

Change-Id: Ic455e24f7d11132696f3077ce496d64bef633536