Ignore files with non-sane filenames in the Android stack symbolizing tool.

third_party/android_platform/development/scripts/symbol.py

 #!/usr/bin/python
 #
 # Copyright (C) 2013 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
@@ skipping 434 matching lines @@
 
     If the function has been inlined then the list may contain
     more than one element with the symbols for the most deeply
     nested inlined location appearing first.
   """
   if not lib:
     return None
 
 
   symbols = SYMBOLS_DIR + lib
+  if not os.path.splitext(symbols) in ['', '.so', '.apk']:

[Primiano Tucci (use gerrit), 2015/06/10 17:37:19]

Hmm I think you want [1] here, this is going to skip everything:
splitext returns a tuple (name, ext)
('foo', '.bar')
False
True

[Bernhard Bauer, 2015/06/10 17:40:03]

Durrr. Indeed! Done.

+    return None
+
   if not os.path.isfile(symbols):
     return None
 
   (label, platform, target) = FindToolchain()
   cmd = [ToolPath("addr2line"), "--functions", "--inlines",
       "--demangle", "--exe=" + symbols]
   child = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
 
   result = {}
   addrs = sorted(unique_addrs)
@@ skipping 127 matching lines @@
   process.stdin.write("\n")
   process.stdin.close()
   demangled_symbol = process.stdout.readline().strip()
   process.stdout.close()
   return demangled_symbol
 
 def FormatSymbolWithOffset(symbol, offset):
   if offset == 0:
     return symbol
   return "%s+%d" % (symbol, offset)