Update accessibility plus secure lock warning messages.

bug:17671790

Change-Id: I694586452963a8f0e4c86b5c9c807ca9bb2ec15d
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 30f5c7d..90d802f 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3668,11 +3668,12 @@
     <!-- Warning that the device data will not be encrypted with password or PIN if
         enabling an accessibility service and there is a secure lock setup. [CHAR LIMIT=NONE] -->
     <string name="enable_service_encryption_warning">If you turn on <xliff:g id="service"
-        example="TalkBack">%1$s</xliff:g>, your data\'s encryption won\'t be as strong.</string>
+        example="TalkBack">%1$s</xliff:g>, your device won’t use your screen lock to enhance
+        data encryption.</string>
     <!-- Warning that the device data will not be encrypted with password or PIN if
          choosing a secure lock and there is an enabled accessibility service. [CHAR LIMIT=NONE] -->
     <string name="secure_lock_encryption_warning">Because you\'ve turned on an accessibility service,
-        encryption based on this type of lock won\'t be as strong.</string>
+        your device won’t use your screen lock to enhance data encryption.</string>
 
     <!-- Title for the capability of an accessibility service to receive events and keys. -->
     <string name="capability_title_receiveAccessibilityEvents">Observe your actions</string>