bitbake: bb.build: in _exec_task, catch BBHandledException

We don't want a traceback for this exception, we need to catch it, fire
TaskFailed, and return failure.

(Bitbake rev: 63966ada459d44d3dc7817ad2a026a22e8f6700f)

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/build.py

@@ -575,6 +575,9 @@ def _exec_task(fn, task, d, quieterr):
             logger.error(str(exc))
             event.fire(TaskFailed(task, logfn, localdata, errprinted), localdata)
         return 1
+    except bb.BBHandledException:
+        event.fire(TaskFailed(task, logfn, localdata, True), localdata)
+        return 1
     finally:
         sys.stdout.flush()
         sys.stderr.flush()