PFW: Do not stop on hard sync errors

BZ: 76263

When synchronization fails, the parameter-framework should
log a warning and continue synchronization instead of stopping

Change-Id: Ic12d8798ea25584db714ee26e644fac793c28881
Signed-off-by: Kevin Rocard <kevinx.rocard@intel.com>
Reviewed-on: http://android.intel.com:8080/81825
Reviewed-by: Centelles, Sylvain <sylvain.centelles@intel.com>
Reviewed-by: Denneulin, Guillaume <guillaume.denneulin@intel.com>
Tested-by: Dixon, CharlesX <charlesx.dixon@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Tested-by: cactus <cactus@intel.com>
diff --git a/parameter/DomainConfiguration.h b/parameter/DomainConfiguration.h
index ab3fb4f..a4e2aad 100644
--- a/parameter/DomainConfiguration.h
+++ b/parameter/DomainConfiguration.h
@@ -61,7 +61,7 @@
     // Save data from current
     void save(const CParameterBlackboard* pMainBlackboard);
     // Apply data to current
-    bool restore(CParameterBlackboard* pMainBlackboard, bool bSync, string& strError) const;
+    bool restore(CParameterBlackboard* pMainBlackboard, bool bSync, list<string>* plstrError = NULL) const;
     // Ensure validity for configurable element area configuration
     void validate(const CConfigurableElement* pConfigurableElement, const CParameterBlackboard* pMainBlackboard);
     // Ensure validity of all area configurations