Fix Coverity scan error in HIDL compiler

Fix following scan error:

New defect(s) Reported-by: Coverity Scan
Showing 1 of 1 defect(s)

• • CID 1530248:  Uninitialized members  (UNINIT_CTOR)
    /home/centos/build/CE/platform/HPCC-Platform/tools/hidl/hidlcomp.h: 961 in EspMethodInfo::EspMethodInfo(ProcInfo *)()

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• • • CID 1530248:  Uninitialized members  (UNINIT_CTOR)
      /home/centos/build/CE/platform/HPCC-Platform/tools/hidl/hidlcomp.h: 961 in EspMethodInfo::EspMethodInfo(ProcInfo *)()
      955             response_ =(char *)malloc(strlen(name_)+9);
      956             strcpy(response_, name_);
      957             strcat(response_, "Response");
      958
      959             tags=NULL;
      960             next=NULL;
      >>>     CID 1530248:  Uninitialized members  (UNINIT_CTOR)
      >>>     Non-static class member "executionProfilingEnabled" is not initialized in this constructor nor in any functions that it calls.
      961         }
      962
      963         ~EspMethodInfo()
      964         {
      965             if (name_)
      966                 free(name_);