libzmf: blind fix hack attempt to work around buggy android headers

Change-Id: Ie7b265e909389ae80d8ced3d803d7e355cda2211

external/libzmf/0001-add-missing-include.patch.1

@@ -12,11 +12,22 @@ diff --git a/src/lib/ZMFCollector.cpp b/src/lib/ZMFCollector.cpp
 index ded93c7..7e024b3 100644
 --- a/src/lib/ZMFCollector.cpp
 +++ b/src/lib/ZMFCollector.cpp
-@@ -9,6 +9,8 @@
+@@ -9,6 +9,19 @@
  
  #include "ZMFCollector.h"
  
 +#include <cmath>
++
++#if defined(ANDROID)
++namespace std
++{
++template<typename T>
++T hypot(T x, T y)
++{
++    return ::hypot(x, y);
++}
++}
++#endif
 +
  #include <boost/math/constants/constants.hpp>
  #include <boost/variant.hpp>