Revert "graphics: improve preloading for IMapper default impl"

This reverts commit 6d189b71a2eb4479bda70ab3e476cb2edd43c968.

Reason for revert: b/273884219, beagle_x15

Change-Id: I9706fc46f9aedbeb4bbcff7ebcb45939bcd20680
2 files changed