Fix CommunalDreamStartableTest test

Code being tested only runs when communal flag is on. Adding a blanket
enable flags for the class as all tests assume the flag is on.

Bug: 347814177
Fix: 347814177
Flag: EXEMPT test fix
Test: atest CommunalDreamStartableTest
Change-Id: I44a3304f73ad8c9841eb7060c7f269b5ce0b161b
1 file changed