Use libstc++ for the name of bionic's STL.
Use libstc++ for the name of bionic's STL.

It is libstdc++.so, after all, and the naming makes sense for the host
this way (since it also uses libstdc++).

Change-Id: If37ffa015f7967a928ea47a290363d7696c4ce35

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build