gprofng: specify the heap data collection range

Extend the -H option:
 -H {off|on|N1[-N2]}  disable , or enable heap tracing, or
                      specify the heap data collection range.
                      The default is "-H off".

gprofng/ChangeLog
2024-08-08  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>

	* libcollector/heaptrace.c: Read the range in the -H option.
	Do not collect data if the allocated memory is out of range.
	* src/collctrl.h (heaptrace_mode): Define as char * value.
	* src/envsets.cc: Updated since heaptrace_mode is changed.
	* src/collctrl.cc: Accept the extended -H option.
	* src/gp-collect-app.cc: Accept the extended -H option.
	Remove unused code.