Make run-test fail if output-path is too long

Long output-path in no prebuild mode leads to silent fallback to
interpreter in dalvikvm.

This change ensures that we handle this situation by failing the
test.

Bug: 31597671
Test: m test-art-run-test -j
Change-Id: I19a7cee788760a81c9395be1252b2edab0db39f7
1 file changed