Clean up OpenHarmony musl patches

Value

OpenHarmony compatibility, reduced maintenance work through upstreamed patches

Description

musl patches we pull in from OpenHarmony generally fall into 3 categories: Patches that should be upstream, patches that are good but not upstreamable (e.g. SIGHOOK system that isn't standards compliant), and patches that are bad and shouldn't be applied even to Oniro builds unless specifically requested for compatibility.

In scope

Fix up OpenHarmony 3.1 musl patches

Out of Scope

Work on any musl patches not in OpenHarmony 3.1

Acceptance Criteria

Category 1 patches have been sent upstream Category 2 patches are applied in Oniro unconditionally Category 3 patches are applied in Oniro if compatibility is requested, and it is documented why those patches should not be in a standard system

Applicable Market Segments

Applicable Personas

Product Integrator

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