common:Add pronto_wlan for user variant builds

Add pronto_wlan into to common.mk. This change is needed
to build wlan driver for User variant builds.

Change-Id: Id20fd1899e6183201e311229775052002aa3b2ce
CRs-Fixed: 585483
Merge "common:Add pronto_wlan for user variant builds"
Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch

Change-Id: I2e33db3d2a41a3bfd277f645000196b3fbd510eb
Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch"
Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch""
Merge "Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch"""
Merge 2fa473a17dab93c394d0e61112de59f151afdb19 on remote branch

Change-Id: I3e348eb61adb8c738a8bfc408f8fa6573d5626b6
Merge "Merge 2fa473a17dab93c394d0e61112de59f151afdb19 on remote branch"
Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch""
Merge "Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch"""
Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch""
Merge ed5f007db70c3e84d98baf04e2a5aafe3c85cbb7 on remote branch

Change-Id: Ib4ccc0eb921496621d2fab39d12ea48a4b8b006d
Merge "Merge ed5f007db70c3e84d98baf04e2a5aafe3c85cbb7 on remote branch"
Merge "Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch"""
Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch""
Merge "Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch"""
Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch""
Merge "Merge "Merge "Merge ff99d34a07462ec8b6c91704ad3ecdbe6ff4416d on remote branch"""
Merge a0b2578c593743e6efa0990144dd8cb98932d110 on remote branch

Change-Id: I49e0ca5302069e8150955caa713cdd0013aaae61
Merge "Merge a0b2578c593743e6efa0990144dd8cb98932d110 on remote branch"