meta-webos: db8=87,v3.1.0

:Release Notes:
Add "%%" operator in filter to search "substring" and update test case.
The user can specify a single element or an arrary of elements.

:Detailed Notes:
submissions/86...submissions/87
- a612d1f Increment DB8 version from 3.0 to 3.1
- e0f32a0 Add "substring" search in filter clause

:Testing Performed:
DB8 unit tests
mini-BAT

:QA Notes:

:Issues Addressed:
[GF-37501] DB8: Add substring search in filter
[GF-39177] CCC: db8=87,v3.1.0

Open-webOS-DCO-1.0-Signed-off-by: Roger Stringer <roger.stringer@lge.com>
Change-Id: Ic9836f439a6eba7bdcba9373b29b7405aadeabf5
Reviewed-on: https://g2g.palm.com/3481
Reviewed-by: Herb Kuta <herb.kuta@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>