Send crashes for official builds to prod crash server

crash_sender

Index: crash_sender
diff --git a/crash_sender b/crash_sender
index 7c721403b3014c14413e34b6c72d4759ac2c83ee..4332117ae43a3e291c03ff047d0f2763efb91843 100644
--- a/crash_sender
+++ b/crash_sender
@@ -68,6 +68,11 @@ get_version() {
   grep ^CHROMEOS_RELEASE_VERSION /etc/lsb-release | cut -d = -f 2-
 }
 
+is_official() {
+  grep ^CHROMEOS_RELEASE_DESCRIPTION /etc/lsb-release | cut -d = -f 2- | \
+      grep Official
+}
+
 # Generate a uniform random number in 0..max-1.
 generate_uniform_random() {
   local max=$1
@@ -106,6 +111,9 @@ check_rate() {
 send_crash() {
   local sleep_time=$(generate_uniform_random $SECONDS_SEND_SPREAD)
   local url="${MINIDUMP_UPLOAD_STAGING_URL}"
+  if is_official; then
+    url="${MINIDUMP_UPLOAD_PROD_URL}"
+  fi
   lecho "Sending crash:"
   lecho "  Scheduled to send in ${sleep_time}s"
   lecho "  Minidump: ${minidump_path}"