Revert "Revert "Define WITH_PERFSCHEMA_STORAGE_ENGINE""

This reverts commit 5dcd568.

Author: Atry

third-party/fb-mysql/CMakeLists.txt

@@ -17,6 +17,7 @@ ExternalProject_Add(
   -DWITHOUT_SERVER=TRUE
   -DDISABLE_SHARED=TRUE
   -DRUN_ABI_CHECK=OFF
+  -DWITH_PERFSCHEMA_STORAGE_ENGINE=ON
   -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
   -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
   -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}