Followup CL for ringbuffer in wifi_hal

Bug: 72462185
Test: compile, unit tests
Test: manual
flash device
In a terminal create the archive:
adb shell
su
cd bugreports
lshal debug android.hardware.wifi@1.2::IWifi >> archive.cpio

In another termial pull and extract the archive:
adb pull bugreports/archive.cpio
cpio -iv < archive.cpio

Verify extracted files are the same as files generated in device under
/data/vendor/tombstones/wifi

Change-Id: Ia2e89dd08edce1f0ec6c0c6e2c26231a0a9d4cc4