Polish and humanize the strings for the preview of mail content.

Bug: 219163254
Test: manual test
Change-Id: I54bdd13f6cafeec1d68e414ce07cdc09608f2165
diff --git a/res/values/strings.xml b/res/values/strings.xml
index bd9cbbd..c8ebe67 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5266,11 +5266,11 @@
     <!-- Title for the entry of the text reading options. [CHAR LIMIT=NONE] -->
     <string name="accessibility_text_reading_options_suggestion_title">Change how text displays</string>
     <!-- Subject for the mail content of the accessibility text reading preview. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_text_reading_preview_mail_subject">Email: Plans for time machine, v2</string>
+    <string name="accessibility_text_reading_preview_mail_subject">Subject: Hot air balloon designs</string>
     <!-- Message for the mail content of the accessibility text reading preview. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_text_reading_preview_mail_from">From: bill@email.com</string>
+    <string name="accessibility_text_reading_preview_mail_from">From: Bill</string>
     <!-- Content for the mail content of the accessibility text reading preview. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_text_reading_preview_mail_content">Good morning! Following up on our last conversation, I’d like to check in on the progress of your time machine development plan. Will you be able to have a prototype ready to demo at E3 this year?</string>
+    <string name="accessibility_text_reading_preview_mail_content">Good morning!\n\nI just wanted to check how the designs are coming. Will they be ready before we start building the new balloons?</string>
     <!-- Title for the reset button of the accessibility text reading page to reset all preferences state. [CHAR LIMIT=NONE] -->
     <string name="accessibility_text_reading_reset_button_title">Reset</string>
     <!-- Title for the footer text to explain what option accessibility service does. [CHAR LIMIT=35] -->