IVGCVSW-4270 Change .dot file name to start with netId

* .dot file will start with the same number as the associated input
  and output tensor dump files

Change-Id: Ic64539854c2b8c34a7034fa18a142b2dfe67df7d
Signed-off-by: Jim Flynn <jim.flynn@arm.com>

IVGCVSW-4271 Add getSupportedOperations marker file

* Also fix segfault in previous graph dump code

Change-Id: I01915f47ae17d89ad3595430d073a17b1a1fda58
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/1.2/ArmnnDriver.hpp b/1.2/ArmnnDriver.hpp
index 40116c8..177cab6 100644
--- a/1.2/ArmnnDriver.hpp
+++ b/1.2/ArmnnDriver.hpp
@@ -119,7 +119,7 @@
 
     Return<void> getVersionString(getVersionString_cb cb)
     {
-        ALOGV("hal_1_2::ArmnnDriver::getSupportedOperations()");
+        ALOGV("hal_1_2::ArmnnDriver::getVersionString()");
 
         cb(ErrorStatus::NONE, "ArmNN");
         return Void();