Allow System ChooserActivity to start home activity

We should allow the system ChooserActivity [1] to start
home activities as the same reason we did for ResolverActivity.

[1] Ia50e21e2f8c6b6d0ed7207625e3b5aef214396bb.

Bug: 136270213
Test: atest ActivityRecordTests
Change-Id: I8e6db9e156af151e37db2eb6f03332a15e22b0f0