message: cmake: install tinyxml2 library for Android
  This hack is needed because otherwise the tinyxml2 library gets
  installed in a library directory that does not respect the ANDROID_ABI.
diff: @@ -18,6 +18,18 @@ if(IOS OR MSVC OR APPLE)
  elseif(ANDROID)
  # We need tinyxml2 for the camera definition parsing.
  add_subdirectory(third_party/tinyxml2 EXCLUDE_FROM_ALL)
  + # We install the tinyxml2 library manually.
  + if (CMAKE_BUILD_TYPE STREQUAL "Debug")
  + # Need to remove that d again.
  + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/third_party/tinyxml2/libtinyxml2d.so
  + DESTINATION ${lib_path}
  + RENAME libtinyxml2.so
  + )
  + else()
  + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/third_party/tinyxml2/libtinyxml2.so
  + DESTINATION ${lib_path}
  + )
  + endif()
  endif()
  add_library(dronecore ${library_type}
  