Don't wait for drawer is idle to switch view

- Make Settings a special case because it's an activity
  that may cause janky animation.
- Help&feedback is also an activity but it's not opened
  right away so it's fine.

Bug: 32917299

Test: manual:
      1. With TalkBack on, verify the bug doesn't repro.
      2. Navigate b/w fragments

Change-Id: I09cb7a90a9e787a257114494a881c8305f71b2c0