Support display cutout side override

With this change, the device manufacturers can define the preferred
side of the display cutouts, and the preferred side will be used to
override other decision making logic.

It provide the flexibility to the display cutout policy.

Bug: 302387383
Test: DisplayCutoutTest
Change-Id: I0bc72366cdf75c36f4e5c11dd41b2bfee4cea6a4
5 files changed