docs: Fixed formatting in android:documentLaunchMode syntax section

Also fixed the line breaks in android:configChanges so the syntax
code box doesn't need a horizontal scroll bar.

See first comment for doc stage location.

bug: 19935160
Change-Id: I1ec34473e743a9f0c921f771cfb47129c47f9014
diff --git a/docs/html/guide/topics/manifest/activity-element.jd b/docs/html/guide/topics/manifest/activity-element.jd
index c1256f9..99e64d9 100644
--- a/docs/html/guide/topics/manifest/activity-element.jd
+++ b/docs/html/guide/topics/manifest/activity-element.jd
@@ -13,10 +13,11 @@
           android:<a href="#clear">clearTaskOnLaunch</a>=["true" | "false"]
           android:<a href="#config">configChanges</a>=["mcc", "mnc", "locale",
                                  "touchscreen", "keyboard", "keyboardHidden",
-                                 "navigation", "screenLayout", "fontScale", "uiMode",
-                                 "orientation", "screenSize", "smallestScreenSize"]
-          android:<a href="#dlmode">documentLaunchMode</a>=["intoExisting", "always",
-                                  "none", "never"]
+                                 "navigation", "screenLayout", "fontScale",
+                                 "uiMode", "orientation", "screenSize",
+                                 "smallestScreenSize"]
+          android:<a href="#dlmode">documentLaunchMode</a>=["intoExisting" | "always" |
+                                  "none" | "never"]
           android:<a href="#enabled">enabled</a>=["true" | "false"]
           android:<a href="#exclude">excludeFromRecents</a>=["true" | "false"]
           android:<a href="#exported">exported</a>=["true" | "false"]