Rtt bugfixes, part 5 am: dc719d4f10 am: 0ccc55626d
am: 9f9129866c  -s ours

Change-Id: I2b5ceb63dba894b82ccfa2367d5c09ea205c1d64
diff --git a/src/java/com/android/ims/ImsManager.java b/src/java/com/android/ims/ImsManager.java
index 6fc1292..0a0eb24 100644
--- a/src/java/com/android/ims/ImsManager.java
+++ b/src/java/com/android/ims/ImsManager.java
@@ -245,9 +245,12 @@
 
     /**
      * Returns the user configuration of Enhanced 4G LTE Mode setting for slot. If the option is
-     * not editable ({@link CarrierConfigManager#KEY_EDITABLE_ENHANCED_4G_LTE_BOOL} is false),
-     * this method will return default value specified by
+     * not editable ({@link CarrierConfigManager#KEY_EDITABLE_ENHANCED_4G_LTE_BOOL} is false), or
+     * the setting is not initialized, this method will return default value specified by
      * {@link CarrierConfigManager#KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL}.
+     *
+     * Note that even if the setting was set, it may no longer be editable. If this is the case we
+     * return the default value.
      */
     public boolean isEnhanced4gLteModeSettingEnabledByUser() {
         int setting = SubscriptionManager.getIntegerSubscriptionProperty(
@@ -546,7 +549,8 @@
                 SUB_PROPERTY_NOT_INITIALIZED, mContext);
 
         // If it's never set, by default we return true.
-        return (setting == SUB_PROPERTY_NOT_INITIALIZED || setting == 1);
+        return (setting == SUB_PROPERTY_NOT_INITIALIZED
+                || setting == ImsConfig.FeatureValueConstants.ON);
     }
 
     /**
@@ -656,7 +660,7 @@
             return getBooleanCarrierConfig(
                     CarrierConfigManager.KEY_CARRIER_DEFAULT_WFC_IMS_ENABLED_BOOL);
         } else {
-            return setting == 1;
+            return setting == ImsConfig.FeatureValueConstants.ON;
         }
     }
 
@@ -936,7 +940,7 @@
             return getBooleanCarrierConfig(
                             CarrierConfigManager.KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_ENABLED_BOOL);
         } else {
-            return (setting == 1);
+            return setting == ImsConfig.FeatureValueConstants.ON;
         }
     }
 
@@ -2083,7 +2087,9 @@
     public void factoryReset() {
         // Set VoLTE to default
         SubscriptionManager.setSubscriptionProperty(getSubId(),
-                SubscriptionManager.ENHANCED_4G_MODE_ENABLED, booleanToPropertyString(true));
+                SubscriptionManager.ENHANCED_4G_MODE_ENABLED,
+                booleanToPropertyString(getBooleanCarrierConfig(
+                        CarrierConfigManager.KEY_ENHANCED_4G_LTE_ON_BY_DEFAULT_BOOL)));
 
         // Set VoWiFi to default
         SubscriptionManager.setSubscriptionProperty(getSubId(),