Update notes for submitted changes

* Use legacy variants for hardware
Update notes for submitted changes

* Optimizations for msm7x27 series devices
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* Optimizations for msm7x27 series devices
Update notes for submitted changes

* armv6: Set dalvik.vm.jit.codecachesize=0
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* Enable ro.config.low_ram=true for msm7x27 targets
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* Enable bug #10194508 workaround
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* Include WebKit and set as default webview provider
Update notes for submitted changes

* Enable mHeap-based screenshot support