Avoid doing string formatting when calling checkArgument for Metrics package. (#1395)
Avoid doing string formatting when calling checkArgument for Metrics package. (#1395)


bogdandrutu/opencensus-java,census-instrumentation/opencensus-java,sebright/instrumentation-java,sebright/instrumentation-java,songy23/instrumentation-java,sebright/opencensus-java,songy23/instrumentation-java,bogdandrutu/opencensus-java,census-instrumentation/opencensus-java,bogdandrutu/opencensus-java,sebright/opencensus-java,bogdandrutu/instrumentation-java,sebright/opencensus-java,songy23/instrumentation-java,census-instrumentation/opencensus-java,bogdandrutu/instrumentation-java