Add repro for suppression bug

SuppresAutoinstrumentation/.gitignore

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+dependency-reduced-pom.xml

SuppresAutoinstrumentation/README.md

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+See [issue 3919](https://github.com/microsoft/ApplicationInsights-Java/issues/3919)

SuppresAutoinstrumentation/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.example</groupId>
+    <artifactId>my-project</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.opentelemetry.instrumentation</groupId>
+                <artifactId>opentelemetry-instrumentation-bom</artifactId>
+                <version>2.9.0</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <!-- Log4j 2 dependency -->
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.24.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>2.24.1</version>
+        </dependency>
+
+        <!-- OpenTelemetry -->
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-semconv</artifactId>
+            <version>1.30.1-alpha</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>My</mainClass> <!-- Specify your main class here -->
+                                </transformer>
+                            </transformers>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

SuppresAutoinstrumentation/src/main/java/My.java

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+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import io.opentelemetry.context.Scope;
+import io.opentelemetry.api.trace.Tracer;
+import io.opentelemetry.api.trace.Span;
+
+import io.opentelemetry.api.GlobalOpenTelemetry;
+
+public class My {
+    private static final Logger logger = LogManager.getLogger("root");
+    private static final Tracer tracer = GlobalOpenTelemetry.getTracer("my-project");
+
+    public static void main(String[] args) throws InterruptedException {
+        logger.warn("Hello Azure");
+
+        Span span = tracer.spanBuilder("My-span").startSpan();
+
+        try (Scope scope = span.makeCurrent()) {
+            Thread.sleep(1000L);   // Work simulation
+            logger.info("Log from a trace");
+        }
+        finally {
+            span.end();
+        }
+        Thread.sleep(10000);
+    }
+}

SuppresAutoinstrumentation/src/main/resources/log4j2.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+    <Appenders>
+        <!-- Console appender -->
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss} %-5level [%t] %c{1} - %msg%n"/>
+        </Console>
+    </Appenders>
+
+    <Loggers>
+        <!-- Root logger for the application -->
+        <Root level="debug">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>