Revert "releasetools: Use pattern filter when unzipping."

This reverts commit aa3a04f19de6b888be7f58d5e8cf37fe2725e949.

Reason for revert: Some AOSP targets don't include RADIO/ in the TF.zip. We may possibly skip unzipping RADIO/, or by always creating a dummy RADIO folder in TF.zip. Revert this CL for now.

Change-Id: I8e90d322706a4fe82129bdfab5ffa1eab989c648
diff --git a/tools/releasetools/check_target_files_signatures.py b/tools/releasetools/check_target_files_signatures.py
index f9aa4fa..3048488 100755
--- a/tools/releasetools/check_target_files_signatures.py
+++ b/tools/releasetools/check_target_files_signatures.py
@@ -235,7 +235,7 @@
     self.certmap = None
 
   def LoadZipFile(self, filename):
-    d, z = common.UnzipTemp(filename, ['*.apk'])
+    d, z = common.UnzipTemp(filename, '*.apk')
     try:
       self.apks = {}
       self.apks_by_basename = {}