Test has a warning on Linux:

In file included from ../../third_party/angle/src/tests/test_utils/ANGLETest.h:13:
../../testing/gtest/include/gtest/gtest.h:1392:16: error: comparison of integers of different signs: 'const int' and 'const unsigned int' [-Werror,-Wsign-compare]
  if (expected == actual) {
      ~~~~~~~~ ^  ~~~~~~
../../testing/gtest/include/gtest/gtest.h:1422:12: note: in instantiation of function template specialization 'testing::internal::CmpHelperEQ<int, unsigned int>' requested here
    return CmpHelperEQ(expected_expression, actual_expression, expected,
           ^
../../third_party/angle/src/tests/gl_tests/UniformBufferTest.cpp:357:5: note: in instantiation of function template specialization 'testing::internal::EqHelper<false>::Compare<int, unsigned int>' requested here
    EXPECT_EQ(GL_FLOAT, type);
    ^

BUG=angleproject:1123

This reverts commit 2ae1ee61.

Change-Id: Ic3dabea54068377d1f2c5f722ba52966cf1a0491
Reviewed-on: https://chromium-review.googlesource.com/299170Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>