Fail fast in JDK and grpc-java senders for hosts java.net.URI cannot parse - #8856

hitkall wants to merge 4 commits into

Fail fast in JDK and grpc-java senders for hosts java.net.URI cannot parse

Delete exporters/sender/grpc-managed-channel/src/main/java/io/opentelemetry/exporter/sender/grpc/managedchannel/internal/1-UpstreamGrpcSenderProvider.java