Merge "Use gtest_prod_headers." am: 9c7ee78b48 am: b9fbbbb775 am: eca3159e45 am: 35587e8e43

Original change: https://android-review.googlesource.com/c/platform/bootable/recovery/+/1681765

Change-Id: Ie417c684beda8c5b50c03681fb5549666291e831