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Developers will need to _conditionally_ use HCPP (or the framework will need to handle it automatically). This requires the ability to query at runtime whether HCPP mode is enabled + supported. Add a message channel to do so, and add the usage of this to the android_engine_test. Does not yet add any automatic selection. --------- Co-authored-by: Matan Lurey <matanlurey@users.noreply.github.com>