SF: Avoid forcing modeset during boot

When SF activates the primary display during boot, there is no need to
force setDesiredActiveMode, because DM is about to send its policy via
setDesiredDisplayModeSpecs.

Fixes: 269470715
Test: DisplayModeSwitchingTest.multiDisplay
Change-Id: I4b2ce528037d2f6820376581a44d47246e566040
3 files changed