Headline font should not be Medium type

Bug: 128986173

TL;DR;; all public TextAppearance.DeviceDefault.XXX inherits from
config_headlineFontFamilyMedium and NOT config_headlineFontFamily type
which is what sysui and framework is using. This fix overrides the
fontWeight so that the fontFamily is the only thing that is being
inherited.

Change-Id: I84500fbae0e8a613385d2665ca62dd0cd4115b56
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 345a3ee..a289ae3 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -46,7 +46,7 @@
         <item name="android:background">?android:colorPrimary</item>
     </style>
 
-    <style name="BottomNavTextAppearance" parent="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title">
+    <style name="BottomNavTextAppearance" parent="HeaderTextAppearance">
         <item name="android:textSize">@dimen/bottom_navbar_font_text_size</item>
     </style>
     <style name="RegularToolbarStyle" parent="@android:style/Widget.DeviceDefault.Light.ActionBar.Solid">
@@ -55,13 +55,15 @@
         <item name="android:theme">@style/WallpaperTheme</item>
     </style>
 
-    <style name="HeaderTextAppearance" parent="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title"/>
+    <style name="HeaderTextAppearance" parent="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title">
+        <item name="android:textFontWeight">400</item>
+    </style>
 
     <style name="ActionPrimaryButton" parent="android:Widget.DeviceDefault.Button.Colored"/>
 
     <style name="ActionSecondaryButton" parent="android:Widget.DeviceDefault.Button.Borderless.Colored"/>
 
-    <style name="OptionTitleTextAppearance" parent="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title">
+    <style name="OptionTitleTextAppearance" parent="HeaderTextAppearance">
         <item name="android:textColor">@color/option_title_color</item>
         <item name="android:textAlignment">center</item>
         <item name="android:textSize">@dimen/theme_option_title_font_text_size</item>
@@ -81,7 +83,7 @@
         <item name="cardBackgroundColor">?android:colorPrimary</item>
     </style>
 
-    <style name="CardTitleTextAppearance" parent="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title">
+    <style name="CardTitleTextAppearance" parent="HeaderTextAppearance">
         <item name="android:textStyle">bold</item>
         <item name="android:textSize">@dimen/card_title_text_size</item>
     </style>
@@ -90,9 +92,8 @@
         <item name="android:textSize">@dimen/card_cover_title_text_size</item>
     </style>
 
-    <style name="FontCardTitleStyle">
+    <style name="FontCardTitleStyle" parent="HeaderTextAppearance">
         <item name="android:textAlignment">center</item>
-        <item name="android:textAppearance">@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title</item>
     </style>
 
     <style name="FontCardBodyTextStyle">