Merge "Add ro.revision property to checkin headers" into jb-mr1-dev

Author: colincross

services/java/com/android/server/BootReceiver.java

@@ -88,6 +88,8 @@ private void logBootEvents(Context ctx) throws IOException {
         final String headers = new StringBuilder(512)
             .append("Build: ").append(Build.FINGERPRINT).append("\n")
             .append("Hardware: ").append(Build.BOARD).append("\n")
+            .append("Revision: ")
+            .append(SystemProperties.get("ro.revision", "")).append("\n")
             .append("Bootloader: ").append(Build.BOOTLOADER).append("\n")
             .append("Radio: ").append(Build.RADIO).append("\n")
             .append("Kernel: ")