Disable ACTION_BOOT_COMPLETED event for 3rd party apps.

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index 18f524d39a480afee8b60b7c429f315052e632e9..5a1841e0720edd6182707b0365534c72ec62870e 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -6314,6 +6314,12 @@ All users must sign out to continue.
   <message name="IDS_ARC_CRITICALLY_LOW_DISK_NOTIFICATION_MESSAGE" desc="Notification text warning users that they are critically low on disk space and Android apps can not be launched.">
     Free up disk space to launch Android apps.
   </message>
+  <message name="IDS_FLAGS_ARC_BOOT_COMPLETED" desc="Name of the flag for blocking the ACTION_BOOT_COMPLETED broadcast for third-party apps on ARC.">
+    Load Android apps automatically
+  </message>
+  <message name="IDS_FLAGS_ARC_BOOT_COMPLETED_DESCRIPTION" desc="Description for the flag for blocking ACTION_BOOT_COMPLETED broadcast for third-party apps.">
+    Allow Android apps to load automatically after startup and reboot.

[Daniel Erat, 2016/10/04 00:14:49]

one more nit here: "after startup and reboot" seems a bit odd; should this
really be "after signing in" instead? arc apps aren't going to load until the
user signs in, right?

[xzhou, 2016/10/04 03:26:16]

Done.

+  </message>
   <message name="IDS_FLAGS_ENABLE_IME_MENU_NAME" desc="Name of the about: flag for enabling opt-in IME menu.">
     Enable opt-in IME menu
     </message>