Make InputMethodDeviceConfigs as package-private

Bug: 240701729
Test: build
Change-Id: I4e94467227514c07a499e1522b8b4f4158499ace
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodDeviceConfigs.java b/services/core/java/com/android/server/inputmethod/InputMethodDeviceConfigs.java
index 9d5393f..2160b65 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodDeviceConfigs.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodDeviceConfigs.java
@@ -25,7 +25,7 @@
  * Class for the device-level configuration related to the input method manager
  * platform features in {@link DeviceConfig}.
  */
-public final class InputMethodDeviceConfigs {
+final class InputMethodDeviceConfigs {
     private boolean mHideImeWhenNoEditorFocus;
     private final DeviceConfig.OnPropertiesChangedListener mDeviceConfigChangedListener;