Merge "Do not include internal GTest header." am: 1a6e2031fc am: 453240f61f

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2469730

Change-Id: Iacbdc9b929ceb6f3a24b69c2dfb171efc6cde868
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>