Rewrite do_filter in treeherder/test_api to use all built-in

[mjzffr]

In PR #389, I suggested transforming query_options into a list of (option, value) pairs and then rewriting do_filter to use all on that list to determine whether an entry matches all the query parameters.

" maja_zf: i would suggest we make this improvement if we move this json handler to the general testcase class - once there might be a need"

See: 2633f71#diff-862a7ed7e988689f6ae6678761b9ee14R32