remove logic in saveConfiguration

The API is deprecated and now returns true.

Bug: 72074967
Test: compile, run ./frameworks/base/wifi/tests/runtests.sh
Change-Id: I83ce6cc8898f7df9fc920675fa669d03fa15f36e
diff --git a/wifi/java/android/net/wifi/IWifiManager.aidl b/wifi/java/android/net/wifi/IWifiManager.aidl
index 101b3e2..2a2ff0c 100644
--- a/wifi/java/android/net/wifi/IWifiManager.aidl
+++ b/wifi/java/android/net/wifi/IWifiManager.aidl
@@ -108,8 +108,6 @@
 
     boolean isDualBandSupported();
 
-    boolean saveConfiguration(String packageName);
-
     DhcpInfo getDhcpInfo();
 
     boolean isScanAlwaysAvailable();
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index 50ae905..e808e92 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -1693,18 +1693,14 @@
      * existing networks. You should assume the network IDs can be different
      * after calling this method.
      *
-     * @return {@code true} if the operation succeeded
+     * @return {@code false} Will always return true.
      * @deprecated There is no need to call this method -
      * {@link #addNetwork(WifiConfiguration)}, {@link #updateNetwork(WifiConfiguration)}
      * and {@link #removeNetwork(int)} already persist the configurations automatically.
      */
     @Deprecated
     public boolean saveConfiguration() {
-        try {
-            return mService.saveConfiguration(mContext.getOpPackageName());
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        return true;
     }
 
     /**