Refactor setHysteresisDb

-setHysteresisDb to overriden by api and CC item

Bug: 248861663,240215633
Test: manual & atest
Change-Id: If2b9b2996ee8ddc04bae8e3b3e786611a7c6c093
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 40049fc..20a3009 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -11259,9 +11259,8 @@
         }
 
         for (SignalThresholdInfo info : request.getSignalThresholdInfos()) {
-            // Only system caller can set mHysteresisMs/mHysteresisDb/mIsEnabled.
+            // Only system caller can set mHysteresisMs/mIsEnabled.
             if (info.getHysteresisMs() != SignalThresholdInfo.HYSTERESIS_MS_DISABLED
-                    || info.getHysteresisDb() != SignalThresholdInfo.HYSTERESIS_DB_DISABLED
                     || info.isEnabled()) {
                 throw new IllegalArgumentException(
                         "Only system can set hide fields in SignalThresholdInfo");