Switch test running from `presubmit` to `wm` group

Migrate SurfaceFlinger tests from default testmapping presubmit 
configurations. Switching to `wm` group will allow tests to run on
cf & hw targets for both presubmit and postsubmit.

Test: presubmit
Bug: 424854996
Flag: EXEMPT test mappings
Change-Id: Ief3649bd0d50f71dc0b5c64e54f0bb9c76d84152