Add more education tips for widgets. (3/3)

Show tip on reconfigurable widget in launcher.

Bug: 185354491
Test: Manually tested tips in widget picker, all apps, and
reconfigurable widgets tip.

Change-Id: I08154c944285cac6a21c3ef4aafd878bbbccf44b
diff --git a/res/layout/arrow_toast.xml b/res/layout/arrow_toast.xml
index aee00a9..9a6f8c3 100644
--- a/res/layout/arrow_toast.xml
+++ b/res/layout/arrow_toast.xml
@@ -28,13 +28,14 @@
         android:padding="16dp"
         android:background="@drawable/arrow_toast_rounded_background"
         android:elevation="2dp"
+        android:outlineProvider="none"
         android:textColor="@color/arrow_tip_view_content"
         android:textSize="14sp"/>
 
     <View
         android:id="@+id/arrow"
         android:elevation="2dp"
+        android:outlineProvider="none"
         android:layout_width="@dimen/arrow_toast_arrow_width"
-        android:layout_height="8dp"
-        android:layout_marginTop="-2dp"/>
+        android:layout_height="10dp"/>
 </merge>
diff --git a/res/values-v28/dimens.xml b/res/values-v28/dimens.xml
index ffa8cc4..3f118cd 100644
--- a/res/values-v28/dimens.xml
+++ b/res/values-v28/dimens.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2009 The Android Open Source Project
+<!-- Copyright (C) 2021 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index d065611..29a8016 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -61,6 +61,7 @@
     <dimen name="widget_reconfigure_button_padding">6dp</dimen>
     <dimen name="widget_reconfigure_button_margin">32dp</dimen>
     <dimen name="widget_reconfigure_button_size">36dp</dimen>
+    <dimen name="widget_reconfigure_tip_top_margin">16dp</dimen>
 
 <!-- Fast scroll -->
     <dimen name="fastscroll_track_min_width">6dp</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index c851cf8..a470bcd 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -105,6 +105,11 @@
     <!-- Dialog text. This dialog lets a user know how they can use widgets on their phone.
          [CHAR_LIMIT=NONE] -->
     <string name="widget_education_content">To get info without opening apps, you can add widgets to your Home screen</string>
+
+    <!-- Text on an educational tip on widget informing users that they can change widget settings.
+         [CHAR_LIMIT=NONE] -->
+    <string name="reconfigurable_widget_education_tip">Tap to change widget settings</string>
+
     <!-- Text on the button that closes the education dialog about widgets. [CHAR_LIMIT=50] -->
     <string name="widget_education_close_button">Got it</string>