wifi: extend feature flag from int to long

WiFi features run out of all 32 bits of int.
Extend feature flag from int to long for more bits.

Bug: 122939035
Test: build
Test: atest frameworks/opt/net/wifi/tests/wifitests
Change-Id: I7e2bcc03d24940e95e22f5fc34070cf4aebfadfd
3 files changed