msm: ipa: filter rule specification changes

Align the filter rule specification with the QMI specification.
Changes include adding ipv4 fragment equation support; swapping
order of metadata_valid and metadata fields; and adding filter_hdl
to filter specification in extended properties.

Change-Id: I140c8b5a0f58e4fc0a8c548ed2724eacf61c4901
Signed-off-by: Ravi Gummadidala <rgummadi@codeaurora.org>