ART: Refactor run-test run_args

Use an array instead of a string. This makes it easier to handle
parameters with spaces.

Test: art/test/testrunner/testrunner.py -b --host
Test: art/run-test --host --invoke-with "perf record -g -F 9999" 001-HelloWorld
Change-Id: Ic405c0f35aad4a9e36f9cb3b76fb307dadf7e732
1 file changed