message: Patch ICU to always look for its data statically.
  Fixes
diff: +--- /icu4c/source/common/unicode/uconfig.h 2018-06-19 22:34:56.000000000 -0700
  ++++ /ice4c/source/common/unicode/uconfig.h.new 2019-03-12 10:12:35.896095657 -0700
  +@@ -55,6 +55,11 @@
  + #include "uconfig_local.h"
  + #endif
  +
  ++// Tensorflow is statically linked on all platforms.
  ++#ifndef U_STATIC_IMPLEMENTATION
  ++#define U_STATIC_IMPLEMENTATION
  ++#endif
  ++
  + /**
  + * \def U_DEBUG
  + * Determines whether to include debugging code.
  +
  --- /icu4c/source/common/udata.cpp.old 2018-06-19 22:34:56.000000000 -0700
  +++ /icu4c/source/common/udata.cpp 2018-10-19 14:26:09.778950855 -0700
  