Renamed ENABLE_SYSTRACE to FPLBASE_ENABLE_SYSTRACE
Renamed ENABLE_SYSTRACE to FPLBASE_ENABLE_SYSTRACE

Brings zooshi in line with change
I6ee0efdf14bacc8bd678c0b87c2590f04a5da25d in fplbase.

Change-Id: Icd2696236a555186460399e5bc46d4f7df524cac

google/zooshi,google/zooshi,google/zooshi,google/zooshi,google/zooshi