[Android] Temporarily disable lock for private tabs feature

Disable until we sort out UI issues https://github.com/brave/brave-browser/issues/29688

browser/flags/android/java/src/org/chromium/chrome/browser/flags/BraveCachedFlag.java

@@ -16,7 +16,9 @@ public class BraveCachedFlag extends CachedFlag {
     static {
         sFlags = new HashMap<String, Boolean>();
         sFlags.put(ChromeFeatureList.START_SURFACE_ANDROID, false);
-        sFlags.put(ChromeFeatureList.INCOGNITO_REAUTHENTICATION_FOR_ANDROID, true);
+        // Disable until we sort out UI issues
+        // https://github.com/brave/brave-browser/issues/29688
+        sFlags.put(ChromeFeatureList.INCOGNITO_REAUTHENTICATION_FOR_ANDROID, false);
     }
 
     private final boolean mDefaultValue;

chromium_src/chrome/browser/flags/android/chrome_feature_list.cc

@@ -46,7 +46,9 @@ namespace android {
 
 OVERRIDE_FEATURE_DEFAULT_STATES({{
     {kAddToHomescreenIPH, base::FEATURE_DISABLED_BY_DEFAULT},
-    {kIncognitoReauthenticationForAndroid, base::FEATURE_ENABLED_BY_DEFAULT},
+    // Disable until we sort out UI issues
+    // https://github.com/brave/brave-browser/issues/29688
+    {kIncognitoReauthenticationForAndroid, base::FEATURE_DISABLED_BY_DEFAULT},
     {kShowScrollableMVTOnNTPAndroid, base::FEATURE_ENABLED_BY_DEFAULT},
     {kStartSurfaceAndroid, base::FEATURE_DISABLED_BY_DEFAULT},
 }});