Make some android code gender neutral.

chrome/android/java/strings/android_chrome_strings.grd

Index: chrome/android/java/strings/android_chrome_strings.grd
diff --git a/chrome/android/java/strings/android_chrome_strings.grd b/chrome/android/java/strings/android_chrome_strings.grd
index 2339c426250c897f9cb5c227c8dc4195294c113d..a6aa7cf16798e2b7ebdca87ae91ee663facef930 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -214,10 +214,10 @@ CHAR-LIMIT guidelines:
       <message name="IDS_MANAGED_BY_YOUR_ADMINISTRATOR" desc="Popup message when the user clicks a UI element that has been disabled by enterprise policy.">
         Managed by your administrator
       </message>
-      <message name="IDS_MANAGED_BY_YOUR_PARENTS" desc="Popup message when the user clicks a UI element that has been disabled by his/her parents.">
+      <message name="IDS_MANAGED_BY_YOUR_PARENTS" desc="Popup message when the user clicks a UI element that has been disabled by their parents.">
         Managed by your parents
       </message>
-      <message name="IDS_MANAGED_BY_YOUR_PARENT" desc="Popup message when the user clicks a UI element that has been disabled by his/her parent.">
+      <message name="IDS_MANAGED_BY_YOUR_PARENT" desc="Popup message when the user clicks a UI element that has been disabled by their parent.">
         Managed by your parent
       </message>
       <message name="IDS_PREFS_SECTION_BASICS" desc='Title of "Basics" section of preferences. [CHAR-LIMIT=32]'>