Add FTM flags to enable/disable FTM and enable NL80211 only, enable TX99
only or both.
Change-Id: I18bbbadd65d23221dc4d739e05235f4d81c12043
CRs-Fixed: 2240572
Added NL80211 testmode if directives to enable compilation when not
supporting the feature.
Change-Id: I00b8d982035b78f5893bd1bec79309c7ffa48d05
CRs-Fixed: 2231059
Wrapper API is required to support building against multiple
Linux Kernel versions.
CRs-Fixed: 2184496
Change-Id: Ic4f3f6cf10910bd20b89dee0b250ea3ff265be70