Use libgtest_prod_headers. am: 3e993c29da am: 56e40628f8 am: c42764fd4a am: dc65975ad9

Original change: https://android-review.googlesource.com/c/platform/external/libchrome/+/1684309

Change-Id: If0effe03af78f239a5f6873ecc1d63be93a20576