Fix the browser tester so run_inbrowser_crash_in_syscall_test retries on flake.
Fix the browser tester so run_inbrowser_crash_in_syscall_test retries on flake.

This test imports the browser tester as a library and has an entry point that
previously bypassed the flake retry mechanism.

BUG= none
TEST= none

Review URL: http://codereview.chromium.org/8772051

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@7339 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client