Replace is-vendor-board-platform with is-vendor-board-qcom. am: 6309f1ad9c am: 5c7781a6fa am: a8d11cf49a

Original change: https://android-review.googlesource.com/c/platform/hardware/qcom/sdm845/display/+/1866335

Change-Id: I4835a8afb4cba05457e4fd0403a7aefb7eba7777