Add missing/needed lines for TRDS

- These fixes were pulled from KK as we had theme engine and TRDS then.

Change-Id: Id8eaa485937e8b28a7a52eabae4044ba371897db

Author: kufikugel

core/java/android/app/ResourcesManager.java

@@ -456,6 +456,7 @@ public final boolean applyConfigurationToResourcesLocked(Configuration config,
                 DisplayMetrics dm = defaultDisplayMetrics;
                 final boolean hasOverrideConfiguration = key.hasOverrideConfiguration();
                 boolean themeChanged = (changes & ActivityInfo.CONFIG_THEME_RESOURCE) != 0;
+                final boolean themeChanged2 = (changes & ActivityInfo.CONFIG_UI_THEME_MODE) != 0;
                 if (themeChanged) {
                     AssetManager am = r.getAssets();
                     if (am.hasThemeSupport()) {
@@ -471,7 +472,7 @@ public final boolean applyConfigurationToResourcesLocked(Configuration config,
                         }
                     }
                 }
-                if ((!isDefaultDisplay || hasOverrideConfiguration)) {
+                if (!isDefaultDisplay || hasOverrideConfiguration) {
                     if (tmpConfig == null) {
                         tmpConfig = new Configuration();
                     }
@@ -487,7 +488,7 @@ public final boolean applyConfigurationToResourcesLocked(Configuration config,
                 } else {
                     r.updateConfiguration(config, dm, compat);
                 }
-                if (themeChanged) {
+                if (themeChanged || themeChanged2) {
                     r.updateStringCache();
                 }
                 //Slog.i(TAG, "Updated app resources " + v.getKey()

core/java/android/content/res/Resources.java

@@ -2034,6 +2034,15 @@ private void clearDrawableCacheLocked(
             return;
         }
 
+        if (Configuration.needNewResources(configChanges, 0)) {
+            if (DEBUG_CONFIG) {
+                Log.d(TAG, "Clear drawable cache from config changes: 0x"
+                        + Integer.toHexString(configChanges));
+            }
+            cache.clear();
+            return;
+        }
+
         if (DEBUG_CONFIG) {
             Log.d(TAG, "Cleaning up drawables config changes: 0x"
                     + Integer.toHexString(configChanges));

core/java/com/android/internal/app/ResolverActivity.java

@@ -206,7 +206,12 @@ protected void onCreate(Bundle savedInstanceState, Intent intent,
     protected void onCreate(Bundle savedInstanceState, Intent intent,
             CharSequence title, int defaultTitleRes, Intent[] initialIntents,
             List<ResolveInfo> rList, boolean alwaysUseOption) {
-        setTheme(R.style.Theme_DeviceDefault_Resolver);
+        if (getResources().getConfiguration().uiThemeMode
+                    == Configuration.UI_THEME_MODE_HOLO_DARK) {
+              setTheme(R.style.Theme_DeviceDefault_Dialog_Alert);
+        } else {
+              setTheme(R.style.Theme_DeviceDefault_Resolver);
+        }
         super.onCreate(savedInstanceState);
 
         // Determine whether we should show that intent is forwarded