libkeymint_support: Make it vendor accessiable am: abcf89dd53 am: 948bfe2cae am: 1f8a0ea462 am: 582686b67f am: 638f98a2f2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1870241

Change-Id: I6896d7c066b312655104d2770e74a2c9a99d59f7