Camera: Don't mark request thread as IDLE in configured state

Marking the request thread as IDLE in any state different from
ACTIVE is not necessary. In configured state the device can
immediately reconfigure the streams and will not wait
for the status tracker notification.

Bug: 157451818
Test: Camera CTS

Change-Id: I22e357ab13d016404cfc939ca595d48fb08cf686
2 files changed