Replace hardware/broadcom/wlan path to new repository android_hardware_broadcom_wlan

Change-Id: I153b558c78c0473f59d81524803729ceb87b86b6
[1/2] android: added OmniSwitch

Change-Id: I84d009a15a6f7b5f3b8c5ef18c4aa613aae42377
Merge remote-tracking branch 'OM/android-4.4' into android-4.4