Adds a checkout command to annotated_run.py am: 0254b1cc20 am: 3108f3d59c
am: c8c917e6ee

Change-Id: I6ec5eb55a1a395cc081dd46436814d4a1e2739d6
diff --git a/build/scripts/slave/annotated_run.py b/build/scripts/slave/annotated_run.py
index b1ab163..b51b2bb 100755
--- a/build/scripts/slave/annotated_run.py
+++ b/build/scripts/slave/annotated_run.py
@@ -182,8 +182,9 @@
   git_cmd = 'git.bat' if os.name == "nt" else 'git'
   with stream.step('update_scripts') as s:
     fetch_cmd = [git_cmd, 'fetch', '--all']
-    reset_cmd = [git_cmd, 'reset', '--hard', 'origin/master']
-    if subprocess.call(fetch_cmd) != 0 or subprocess.call(reset_cmd) != 0:
+    reset_cmd = [git_cmd, 'reset', '--hard', 'origin/emu-master-dev']
+    checkout_cmd = [git_cmd, 'checkout', 'emu-master-dev']
+    if subprocess.call(fetch_cmd) != 0 or subprocess.call(reset_cmd) != 0 or subprocess.call(checkout_cmd) != 0:
       s.step_text('git update source failed!')
       s.step_warnings()
     s.step_text('git pull')