b/12068020 add nonce to InputDeviceDescriptor. Do not merge
This is a cherry-pick of https://googleplex-android-review.git.corp.google.com/#/c/401795/ Adds a nonce field to allow generation of unique descriptors for input devices. Change-Id: Ie82bfb728bea95792b3b138dd3974f8b0aff63e0
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@ -46,6 +46,11 @@ struct InputDeviceIdentifier {
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// Ideally, the way this value is computed should not change between Android releases
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// because that would invalidate persistent settings that rely on it.
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String8 descriptor;
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// A value added to uniquely identify a device in the absence of a unique id. This
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// is intended to be a minimum way to distinguish from other active devices and may
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// reuse values that are not associated with an input anymore.
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uint16_t nonce;
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};
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/*
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