Add python 2.7.5

Build instructions:

  export NDK=your-AOSP-path/ndk
  cd $NDK ; ./build/tools/dev-cleanup.sh
  ./build/tools/download-toolchain-sources.sh /tmp/ndk-$USER/src
  ./build/tools/build-host-python.sh --toolchain-src-dir=/tmp/ndk-$USER/src
      --systems=darwin-x86_64 --force
  cp -a $NDK/prebuilt/darwin-x86_64/* .

Change-Id: Ib61526cc7a319cd2b182decaa223b69d74534041
diff --git a/lib/python2.7/test/testall.py b/lib/python2.7/test/testall.py
new file mode 100644
index 0000000..5b5cf01
--- /dev/null
+++ b/lib/python2.7/test/testall.py
@@ -0,0 +1,10 @@
+# Backward compatibility -- you should use regrtest instead of this module.
+from warnings import warnpy3k
+warnpy3k("the test.testall module has been removed in Python 3.0",
+            stacklevel=2)
+del warnpy3k
+
+
+import sys, regrtest
+sys.argv[1:] = ["-vv"]
+regrtest.main()