Restored the incorrect CDMA code removal

The logic was incorrectly changed in ag/34558718

Fixes: 443006758
Test: Manual
Test: atest FrameworksTelephonyTests
Test: Basic functionality tests
Flag: EXEMPT BUGFIX
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:52aea9014d4a9658d08e6cf0a316b3ba5e39d1f1
Merged-In: Ica1190f981bf055730e4a9a035811d6866a10c7e
Change-Id: Ica1190f981bf055730e4a9a035811d6866a10c7e