qibuild.breakpad: do not fail if strip fails
qibuild.breakpad: do not fail if strip fails

Change-Id: I56b9edade7ebba74640bd3b8953ee703cd29ddcf
Reviewed-on: http://gerrit.aldebaran.lan/58096
Tested-by: gerrit
Reviewed-by: dmerejkowsky <1e4b13000fa8777df4cefd2fd8215187e3deb062@aldebaran-robotics.com>

aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild