Revert "Force remove DreamActivity from system server"

This reverts commit d8e0c0d64c81c44e78494d6db47da3c57f41b64c.

Test: manual
Bug: 243385408
Fixes: 265999334
Change-Id: I60f697c3091f9bbd490c9cfe6cf79996d0715351
1 file changed