Update googletest to latest master

Local changes required:
-Added googletest tests to CI script.
-For merge conflicts, preferred upstream in all cases.
-Added in a -Wno-unused-parameters, and removed some "-pthread"'s to
 clean up obnoxious compiler warnings about unused flags.
-Added rules_python to WORKSPACE to make googletest happy.
-Update *_CASE_P to *_SUITE_P

Merge commit '33cf340fc114ccb0573488547776b0a8966b8108' into HEAD

Change-Id: Ie0caf2e61afe569038a25380e1ed5f8b41595900
diff --git a/aos/events/logging/buffer_encoder_test.cc b/aos/events/logging/buffer_encoder_test.cc
index a9c2bbb..0687f83 100644
--- a/aos/events/logging/buffer_encoder_test.cc
+++ b/aos/events/logging/buffer_encoder_test.cc
@@ -93,7 +93,7 @@
   ASSERT_EQ(dummy_decoder.Read(&*buffer.begin(), &*buffer.end()), 0);
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     Dummy, BufferEncoderTest,
     ::testing::Combine(::testing::Values([]() {
                          return std::make_unique<DummyEncoder>();