The telephonyDisplayInfo is wrong after doing compatibility.

If one of the callers is do compatibility, then other caller get wrong
telephonyDisplayInfo.

Bug: 197521539
Test: Manually test at local and test the compatibility part and verify
the 5G+ icon.
Test: atest com.android.internal.telephony.TelephonyRegistryTest

Change-Id: Ic938f7623c802d04edc67678391cadc80c7dd084
(cherry picked from commit 5e9cca3a)