Add constructor for schema from EVENT_RECORD and PTRACE_EVENT_INFO

[wwh1004]

A custom TRACE_EVENT_INFO can be provided as fallback. See #249

// Hardcoded profile schema used as fallback
static uint8_t kHardcodedSampledProfileSchema[] = {
    0xad, 0x4a, 0x81, 0x9e, 0x04, 0x32, 0xd2, 0x11, 0x9a, 0x82, 0x00, 0x60,
    0x08, 0xa8, 0x69, 0x39, 0xb4, 0xbf, 0x1d, 0xce, 0x7e, 0x13, 0xa6, 0x4d,
    0x87, 0xb0, 0x3f, 0x59, 0xaa, 0x10, 0x2c, 0xbc, 0x00, 0x00, 0x02, 0x00,
    0x00, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x01, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x00, 0x00, 0x00, 0x04,
    0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1a, 0x01, 0x00, 0x00,
    0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, 0x00,
    0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x04, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x01, 0x00, 0x00,
    0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5e, 0x01, 0x00, 0x00,
    0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x4d, 0x00, 0x53, 0x00, 0x4e, 0x00, 0x54, 0x00,
    0x5f, 0x00, 0x53, 0x00, 0x79, 0x00, 0x73, 0x00, 0x74, 0x00, 0x65, 0x00,
    0x6d, 0x00, 0x54, 0x00, 0x72, 0x00, 0x61, 0x00, 0x63, 0x00, 0x65, 0x00,
    0x00, 0x00, 0x50, 0x00, 0x65, 0x00, 0x72, 0x00, 0x66, 0x00, 0x49, 0x00,
    0x6e, 0x00, 0x66, 0x00, 0x6f, 0x00, 0x00, 0x00, 0x53, 0x00, 0x61, 0x00,
    0x6d, 0x00, 0x70, 0x00, 0x6c, 0x00, 0x65, 0x00, 0x50, 0x00, 0x72, 0x00,
    0x6f, 0x00, 0x66, 0x00, 0x00, 0x00, 0x49, 0x00, 0x6e, 0x00, 0x73, 0x00,
    0x74, 0x00, 0x72, 0x00, 0x75, 0x00, 0x63, 0x00, 0x74, 0x00, 0x69, 0x00,
    0x6f, 0x00, 0x6e, 0x00, 0x50, 0x00, 0x6f, 0x00, 0x69, 0x00, 0x6e, 0x00,
    0x74, 0x00, 0x65, 0x00, 0x72, 0x00, 0x00, 0x00, 0x54, 0x00, 0x68, 0x00,
    0x72, 0x00, 0x65, 0x00, 0x61, 0x00, 0x64, 0x00, 0x49, 0x00, 0x64, 0x00,
    0x00, 0x00, 0x43, 0x00, 0x6f, 0x00, 0x75, 0x00, 0x6e, 0x00, 0x74, 0x00,
    0x00, 0x00, 0x52, 0x00, 0x65, 0x00, 0x73, 0x00, 0x65, 0x00, 0x72, 0x00,
    0x76, 0x00, 0x65, 0x00, 0x64, 0x00, 0x00, 0x00,
};

{
    TDHSTATUS status = ERROR_SUCCESS;
    auto buffer =
        trace_context.schema_locator.get_event_schema_no_throw(record, status);
    if (buffer == nullptr) {
      buffer = (PTRACE_EVENT_INFO)kHardcodedSampledProfileSchema;
    }
    krabs::schema schema(record, buffer);
    krabs::parser parser(schema);
}

[swannman]

Looks great! Would you mind bumping the version numbers in the three .nuspec files so we can publish updates after merging your PR?

[wwh1004]

No problem.

[swannman]

@wwh1004 quick reminder to bump the nuspec versions so we can merge your PR. Thanks!

[swannman]

Beautiful, thank you!