minuitwrp: create a single if block for BUILD_SAFESTRAP

Change-Id: I22794a2b8988d0d12b302f14f9c751aeef4d7800
minuitwrp: add RECOVERY_GRAPHICS_DO_INITIAL_BLANK config

Change-Id: Ief83bb8e0cbf7cae7e57fcb34904355e5ffe170f
amazon/common-hdx: turn on INITIAL_BLANK

Change-Id: I420915327217b4c573b5b83f802a7fdb9fc6efcc