Verify ART run-tests' standard output and standard error separately.

Introduce expected standard error files for ART run-tests. Collect
tests' standard output and standard error separately and check them
against the corresponding expectation file.

Test: Run ART run-tests on host and device using `testrunner.py`.
Test: atest --test-mapping art:all
Test: atest --test-mapping cts/hostsidetests/jvmti:all
Bug: 171865375
Bug: 147812905
Change-Id: Ie95bec4a4684ff6791d464124ce8976339432d1f
1573 files changed