Fix Settings crash after disabling Settings Suggestion

- Settings Suggestion App is responsible for searching, we can not
prevent user disable it. Hide search feature if user disable it.

Fixes: 118805907
Fixes: 117921464
Test: manual
Change-Id: I61c47c52265a6efd79ef2fa60272bf6513e678b1

src/com/android/settings/Utils.java

@@ -979,4 +979,14 @@ public final class Utils extends com.android.settingslib.Utils {
             return packageManager.getDefaultActivityIcon();
         }
     }
+
+    /** Returns true if the current package is installed & enabled. */
+    public static boolean isPackageEnabled(Context context, String packageName) {
+        try {
+            return context.getPackageManager().getApplicationInfo(packageName, 0).enabled;
+        } catch (Exception e) {
+            Log.e(TAG, "Error while retrieving application info for package " + packageName, e);
+        }
+        return false;
+    }
 }