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GLImageOzoneNativePixmap used to check that format and internal format
were valid, but didn't check that they were compatible.

This CL restricts the valid internalformats given the buffer format
used to initialize the image (e.g: it's now prohibited to initialize with
an R8 buffer an GL_RGBA image).

TEST='gl_unittests --gtest_also_run_disabled_tests' on samus

Review-Url: https://codereview.chromium.org/2037983003
Cr-Commit-Position: refs/heads/master@{#397876}