Bug 900354 - Ignore sub-resource loads for Azure recordings. r=Bas

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extra : rebase_source : 815b88638f5d828f133c92ec2ff94c25c0fa92a7
bug 898448 - Installation of packaged apps fail due to assuming existence of getDeviceStorage. r=fabrice

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extra : rebase_source : 9b8abc4630e0d875086a99f575ad96572dbdf5ff