Replace is-vendor-board-platform with is-vendor-board-qcom. am: 70c0c0921b am: 1946229af4

Original change: https://android-review.googlesource.com/c/platform/hardware/qcom/sm8150/display/+/1866283

Change-Id: I6546468bcbbd0889a61496b3dcdbeaa8d6177bd5