Replace is-vendor-board-platform with is-vendor-board-qcom. am: 70c0c0921b am: 1946229af4 am: eebbedc90f

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

Change-Id: I22cc53df6489d984d2f32a8f19a3730c2fd2d136