Add LS2 API Documentation

[GF-6391] Document APIs in com.palm.connectionmanager
[GF-6392] Document APIs in com.palm.wifi

Open-webOS-DCO-1.0-Signed-off-by: Keith Derrick <keith.derrick@lge.com>

Change-Id: Ifaa88f57f28c6a057fdccb7aff1353dd1f5684cd
Reviewed-on: https://g2g.palm.com/2268
Reviewed-by: Build Verification
Reviewed-by: Sapna Todwal <sapna.todwal@lge.com>
Tested-by: Sapna Todwal <sapna.todwal@lge.com>