Fix duplicate symbols error in external/vboot_reference am: 00f96d2a69 am: 7b542b1691 am: 963f386e58 am: 2510b6d7e2 am: 974391a746

Original change: https://android-review.googlesource.com/c/platform/external/vboot_reference/+/2658076

Change-Id: I0fd8b1860296d72229d1d2842129a32711475278
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>