cecf/opentelemetry-java-instrumentation: java agent代码 @ v250_kafka

Lauri Tulmin de30e3120a Add http/2 tests for jdk http client (#11506)		9 月之前
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javaagent	de30e3120a Add http/2 tests for jdk http client (#11506)	9 月之前
library	de30e3120a Add http/2 tests for jdk http client (#11506)	9 月之前
testing	de30e3120a Add http/2 tests for jdk http client (#11506)	9 月之前