IVGCVSW-4540 Fix master build failure to link UnitTests on Android

Change-Id: I22148a0bf243eabfd045475644510f30096d96e3
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
diff --git a/cmake/GlobalConfig.cmake b/cmake/GlobalConfig.cmake
index 1fb86e9..f4e4ad5 100644
--- a/cmake/GlobalConfig.cmake
+++ b/cmake/GlobalConfig.cmake
@@ -22,6 +22,7 @@
 option(FLATBUFFERS_ROOT "Location where the flatbuffers 'include' and 'lib' folders to be found" Off)
 option(DYNAMIC_BACKEND_PATHS "Colon seperated list of paths where to load the dynamic backends from" "")
 option(BUILD_GATORD_MOCK "Build the Gatord simulator for external profiling testing." ON)
+option(BUILD_TIMELINE_DECODER "Build the Timeline Decoder for external profiling." ON)
 option(SHARED_BOOST "Use dynamic linking for boost libraries" OFF)
 
 include(SelectLibraryConfigurations)