Run grpc tests with ipv4 (#11087)

Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>

instrumentation/grpc-1.6/javaagent/build.gradle.kts

@@ -37,6 +37,9 @@ tasks {
     jvmArgs("-Dotel.instrumentation.grpc.capture-metadata.client.request=some-client-key")
     jvmArgs("-Dotel.instrumentation.grpc.capture-metadata.server.request=some-server-key")
     jvmArgs("-Dotel.instrumentation.common.experimental.controller-telemetry.enabled=true")
+    // latest dep test occasionally fails because network type is ipv6 instead of the expected ipv4
+    // and peer address is 0:0:0:0:0:0:0:1 instead of 127.0.0.1
+    jvmArgs("-Djava.net.preferIPv4Stack=true")
 
     // exclude our grpc library instrumentation, the ContextStorageOverride contained within it
     // breaks the tests

instrumentation/grpc-1.6/library/build.gradle.kts

@@ -20,6 +20,9 @@ tasks {
   test {
     systemProperty("testLatestDeps", findProperty("testLatestDeps") as Boolean)
     jvmArgs("-Dotel.instrumentation.common.experimental.controller-telemetry.enabled=true")
+    // latest dep test occasionally fails because network type is ipv6 instead of the expected ipv4
+    // and peer address is 0:0:0:0:0:0:0:1 instead of 127.0.0.1
+    jvmArgs("-Djava.net.preferIPv4Stack=true")
   }
 }