Rename exported_wifi_prop to wifi_hal_prop

To remove bad context names exported*_prop

Bug: 155844385
Test: m selinux_policy
Change-Id: I3a1e355f510e6328d05e76ba2961562fe711da1b
Merged-In: I3a1e355f510e6328d05e76ba2961562fe711da1b
(cherry picked from commit d566d6d2e626c3bf17ef772404962cd0e8522f76)
(cherry picked from commit dea698f3b1a1b41b9616c84e0cc65521683c6aec)
3 files changed