Enable the CUSTOM_LPNH_THRESHOLDS flag.

Decision by PM: Set the default LPNH_TIMEOUT_MS to 450ms.

Bug: 311355495
Test: Manual
Flag: legacy CUSTOM_LPNH_THRESHOLDS ENABLED
Change-Id: I07f075a7c73e8038a83b19cdc1091c0c8735f869
diff --git a/src/com/android/launcher3/LauncherPrefs.kt b/src/com/android/launcher3/LauncherPrefs.kt
index 27e084c..cb19b14 100644
--- a/src/com/android/launcher3/LauncherPrefs.kt
+++ b/src/com/android/launcher3/LauncherPrefs.kt
@@ -20,7 +20,6 @@
 import android.content.SharedPreferences
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener
 import android.util.Log
-import android.view.ViewConfiguration
 import androidx.annotation.VisibleForTesting
 import com.android.launcher3.BuildConfig.WIDGET_ON_FIRST_SCREEN
 import com.android.launcher3.LauncherFiles.DEVICE_PREFERENCES_KEY
@@ -319,7 +318,7 @@
         val LONG_PRESS_NAV_HANDLE_TIMEOUT_MS =
             nonRestorableItem(
                 "LPNH_TIMEOUT_MS",
-                ViewConfiguration.getLongPressTimeout(),
+                450,
                 EncryptionType.MOVE_TO_DEVICE_PROTECTED
             )
         @JvmField