Fix vpython caching in trigger.py script.
Fix vpython caching in trigger.py script.

Several necessary CPID packages were missing from the swarming params.
Add these based on the packages in mb.py:

https://chromium.googlesource.com/chromium/src/tools/mb/+/2192df66cd0ed214bcfbfd387ad0c5c8c0a21eb1/mb.py#586

Allows testing the ANGLE test launcher without modifying recipes.

Bug: angleproject:3162
Change-Id: I3e84bf0d3fd92aed623a918b4d9cfd53f51f2dee
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2050427
Commit-Queue: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Reviewed-by: Yuly Novikov <36f5580f63d0a3eacc17e89a61d11e2f646630d2@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle