Use BoringSSL's public API in keymaster_hidl_hal_test am: 727f1ed7f3 am: ba14346ea7 am: 19ded5fc02

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2588645

Change-Id: I5e1fd06d8a959c3d91014bc8f7fe35542748e9b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>