Ignore AppHandleEducationControllerTest

Running these with the entire WMShellModuleTests causes a crash and
leaves the system in a bad state leading to other failures outside
this class.

Bug: 374328725
Bug: 375386897
Bug: 375386605
Bug: 375396353
Bug: 375397302
Flag: EXEMPT bugfix
Test: atest WMShellModuleTests  - no crashes
Change-Id: Ibf5e6050c1ddbc80907dc050527379aa460775ea