Disable failing bitmap tests on cros.
Disable failing bitmap tests on cros.

BUG=334097
TEST=manual

Review URL: https://codereview.chromium.org/130563006

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@244715 0039d316-1c4b-4281-b951-d872f2087c98

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