Trebuchet: Use system fonts

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: DennySPB <dennyspb@gmail.com>
Change-Id: I80b94a70b05daa72d294b0dd06949f93decb52de

Author: neobuddy89

quickstep/res/layout/digital_wellbeing_toast.xml

@@ -24,4 +24,4 @@
     android:gravity="center"
     android:importantForAccessibility="noHideDescendants"
     android:textColor="@android:color/white"
-    android:textSize="14sp"/>
+    android:textSize="14sp"/>

res/layout/notification_content.xml

@@ -131,4 +131,4 @@
             android:background="@drawable/horizontal_ellipsis" />
 
     </com.android.launcher3.notification.NotificationFooterLayout>
-</merge>
+</merge>