Add --gtest_filter negative pattern handling for out_of_proc_test_runner
Add --gtest_filter negative pattern handling for out_of_proc_test_runner

BUG=66733
TEST=browser_tests with positive and negative filter strings (i.e. --gtest_filter=Positive, --gtest_filter=Positive-Negative, --gtest_filter=-Negative etc)

Review URL: http://codereview.chromium.org/5712010

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@69300 0039d316-1c4b-4281-b951-d872f2087c98

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