rusty-gd: Add missing GAP data types and fix EIR length

Devices with EIR containing Gap data type 0x10 were not showing up in
the pairing list.

Tested using Pixel Buds. They now show up in the pairing dialog. When
tapped, pairing still fails.

Bug: 171749953
Tag: #gd-refactor
Test: gd/cert/run --rhost DirectHciTest

Change-Id: I00c90b6ca4ab0bb5eca97202f7652f35260197c4