Fix race condition problem for the nr state.

When FW handle the service state and physical channel config at the same
time and if physical channel config event is received before pollstatedone()
is called, old information from mSS can be used and this can cause notifying
unexpected status.. It is possible that the nr state is wrong.

Bug: 179622616
Test: Build pass.
atest frameworks/opt/telephony/tests/telephonytests/src/com/android/internal/telephony/ServiceStateTrackerTest.java

Change-Id: Ie300463858c690efd81b3cf775c76809c534d29a