Update r8b

Update r8b from release at
http://developer.android.com/tools/sdk/ndk/index.html

Note that r8b contains two gnu-libstdc++ for each compiler
version, which change directory structure as follow:

  android-ndk-r8b/sources/cxx-stl/gnu-libstdc++/4.4.3, and
  android-ndk-r8b/sources/cxx-stl/gnu-libstdc++/4.6

For the sake of backward scripting compatibility, only content
of 4.4.3 version is updated to.  GCC 4.6 can take it, but not
the other way around.

Change-Id: I88f3364ffdf85eee0f4509fc8c621f5168c6434f
214 files changed