This change brings InitGoogleTest semantic in accordance with the official documentation: only GoogleTest flags are removed from argc/argv. The rest of the flags remains in place. We do nothing special for flags with unrecognized gunit_/gtest_ prefix and we do not report them.
PiperOrigin-RevId: 527257221
Change-Id: Ibb29a1bda1a44251a4ee579c0fb5bbdfd9965c21