Change folder text color to match spec

We needed folder text color to use textColorPrimary. With this CL we update it to be that.

Test: Look at folder text color
Fix: 262450499
Change-Id: Icd540c7d3ff4431b4edc72f04ce7f8f14787aa5b
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 7582a30..5116cc0 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -54,7 +54,7 @@
         <item name="folderPreviewColor">@color/folder_preview_light</item>
         <item name="folderBackgroundColor">@color/folder_background_light</item>
         <item name="folderIconBorderColor">?android:attr/colorPrimary</item>
-        <item name="folderTextColor">@color/workspace_text_color_dark</item>
+        <item name="folderTextColor">?android:attr/textColorPrimary</item>
         <item name="isFolderDarkText">true</item>
         <item name="folderHintColor">@color/folder_hint_text_color_dark</item>
         <item name="loadingIconColor">#CCFFFFFF</item>
@@ -109,7 +109,6 @@
         <item name="folderPreviewColor">@color/folder_preview_dark</item>
         <item name="folderBackgroundColor">@color/folder_background_dark</item>
         <item name="folderIconBorderColor">?android:attr/colorPrimary</item>
-        <item name="folderTextColor">@color/workspace_text_color_light</item>
         <item name="isFolderDarkText">false</item>
         <item name="folderHintColor">@color/folder_hint_text_color_light</item>
         <item name="isMainColorDark">true</item>