Optimize SizeEstimator for large objects and arrays
Merge branch 'kevin/sizeEstimatorOptimization2' of https://git.soma.salesforce.com/mobileplatform/aura into tbliss/master-pending-pr98

@bug W-2319007@
@bug W-2314180@
@rev byao@
@rev rjayaramappa@
Merging origin/tbliss/master-pending-pr98 into master