Unexpose unnecessary SysUI APIs

These APIs were exposed for mainline since they were used in SysUI code,
but the logic that was using them was moved to Telephony. Unexposing the
APIs since they no longer need to be exposed.

Test: atest FrameworksTelephonyTests
Bug: 147447171
Bug: 111498835
Bug: 149874525
Change-Id: I1930977c5345c075773d18db4eb05913038d7e7f
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index c5c08c2..18e8001 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1568,6 +1568,7 @@
     /**
      * The string is used to compare with operator name.
      * If it matches the pattern then show specific data icon.
+     * @hide
      */
     public static final String KEY_SHOW_CARRIER_DATA_ICON_PATTERN_STRING =
             "show_carrier_data_icon_pattern_string";
@@ -2978,9 +2979,9 @@
      * UE wants to display 5G_Plus icon for scenario#1, and 5G icon for scenario#2; otherwise not
      * define.
      * The configuration is: "connected_mmwave:5G_Plus,connected:5G"
+     * @hide
      */
-    public static final String KEY_5G_ICON_CONFIGURATION_STRING =
-            "5g_icon_configuration_string";
+    public static final String KEY_5G_ICON_CONFIGURATION_STRING = "5g_icon_configuration_string";
 
     /**
      * Timeout in seconds for displaying 5G icon, default value is 0 which means the timer is
@@ -2992,12 +2993,14 @@
      *
      * If 5G is reacquired during this timer, the timer is canceled and restarted when 5G is next
      * lost. Allows us to momentarily lose 5G without blinking the icon.
+     * @hide
      */
     public static final String KEY_5G_ICON_DISPLAY_GRACE_PERIOD_SEC_INT =
             "5g_icon_display_grace_period_sec_int";
 
     /**
      * Controls time in milliseconds until DcTracker reevaluates 5G connection state.
+     * @hide
      */
     public static final String KEY_5G_WATCHDOG_TIME_MS_LONG = "5g_watchdog_time_long";