exclude media stress from PDK plan to save time and settings

Change-Id: I31e96e783cd52c9d8e2cd992030254b63bda0e88
diff --git a/tools/utils/buildCts.py b/tools/utils/buildCts.py
index 6c8959c..3cb986f 100755
--- a/tools/utils/buildCts.py
+++ b/tools/utils/buildCts.py
@@ -146,7 +146,8 @@
     plan.Include('android\.bluetooth')
     plan.Include('android\.graphics.*')
     plan.Include('android\.hardware')
-    plan.Include('android\.media.*')
+    plan.Include('android\.media')
+    plan.Exclude('android\.mediastress')
     plan.Include('android\.net')
     plan.Include('android\.opengl.*')
     plan.Include('android\.renderscript')