Remove all caps style

Test: manual
Change-Id: Ifa83ce1daa9dab5a29adabd27ceee066b19a22b1
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 90c5977..4837fef 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -476,7 +476,6 @@
     <style name="TextAppearance.NotificationInfo.Button">
         <item name="android:fontFamily">sans-serif-medium</item>
         <item name="android:textSize">14sp</item>
-        <item name="android:textAllCaps">true</item>
         <item name="android:textColor">?android:attr/colorAccent</item>
         <item name="android:background">@drawable/btn_borderless_rect</item>
         <item name="android:gravity">center</item>