PFW: Display warning messages to help user

BZ: 54512

Display a warning message when a configuration cannot be applied because
the TuningMode is on, in order to help user to identify potential issues.
Display a warning message when a criterion change doesn't lead to a
configuration application (a check is performed each time a criterion
is changed).

Change-Id: Id872655c92770d1f6f1b01b20db2fde3db826ceb
Signed-off-by: Frédéric Boisnard <fredericx.boisnard@intel.com>
Reviewed-on: http://android.intel.com:8080/63845
Reviewed-by: Rocard, KevinX <kevinx.rocard@intel.com>
Reviewed-by: De Chivre, Renaud <renaud.de.chivre@intel.com>
Reviewed-by: Denneulin, Guillaume <guillaume.denneulin@intel.com>
Tested-by: Barthes, FabienX <fabienx.barthes@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
7 files changed