ART: Do not dump hidden basic blocks and add a counter to file naming
ART: Do not dump hidden basic blocks and add a counter to file naming

Currently, if the system dumps the CFG, it dumps the hidden BasicBlocks.
Also, the patch adds a counter that gets incremented to make the file naming
  unique, using AtomicInteger.

Change-Id: I55b489c2c2bded73b62d64a94a4a8a54d2ebed2b
Signed-off-by: Jean Christophe Beyler <9b15ab355460ed0877619e52971b3d5438ca3cf1@intel.com>

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst