use EventKeywords.All rather than (-1) (#2227)

Author: reyang

src/OpenTelemetry.Api/Internal/OpenTelemetryApiEventSource.cs

@@ -40,7 +40,7 @@ public void ActivityContextExtractException(string format, Exception ex)
         [NonEvent]
         public void BaggageExtractException(string format, Exception ex)
         {
-            if (this.IsEnabled(EventLevel.Warning, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Warning, EventKeywords.All))
             {
                 this.FailedToExtractBaggage(format, ex.ToInvariantString());
             }
@@ -49,7 +49,7 @@ public void BaggageExtractException(string format, Exception ex)
         [NonEvent]
         public void TracestateExtractException(Exception ex)
         {
-            if (this.IsEnabled(EventLevel.Warning, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Warning, EventKeywords.All))
             {
                 this.TracestateExtractError(ex.ToInvariantString());
             }
@@ -58,7 +58,7 @@ public void TracestateExtractException(Exception ex)
         [NonEvent]
         public void TracestateKeyIsInvalid(ReadOnlySpan<char> key)
         {
-            if (this.IsEnabled(EventLevel.Warning, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Warning, EventKeywords.All))
             {
                 this.TracestateKeyIsInvalid(key.ToString());
             }
@@ -67,7 +67,7 @@ public void TracestateKeyIsInvalid(ReadOnlySpan<char> key)
         [NonEvent]
         public void TracestateValueIsInvalid(ReadOnlySpan<char> value)
         {
-            if (this.IsEnabled(EventLevel.Warning, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Warning, EventKeywords.All))
             {
                 this.TracestateValueIsInvalid(value.ToString());
             }

src/OpenTelemetry.Exporter.Prometheus/Implementation/PrometheusExporterEventSource.cs

@@ -31,7 +31,7 @@ internal class PrometheusExporterEventSource : EventSource
         [NonEvent]
         public void FailedExport(Exception ex)
         {
-            if (this.IsEnabled(EventLevel.Error, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Error, EventKeywords.All))
             {
                 this.FailedExport(ex.ToInvariantString());
             }
@@ -40,7 +40,7 @@ public void FailedExport(Exception ex)
         [NonEvent]
         public void FailedShutdown(Exception ex)
         {
-            if (this.IsEnabled(EventLevel.Error, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Error, EventKeywords.All))
             {
                 this.FailedShutdown(ex.ToInvariantString());
             }
@@ -49,7 +49,7 @@ public void FailedShutdown(Exception ex)
         [NonEvent]
         public void CanceledExport(Exception ex)
         {
-            if (this.IsEnabled(EventLevel.Error, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Error, EventKeywords.All))
             {
                 this.CanceledExport(ex.ToInvariantString());
             }

src/OpenTelemetry.Exporter.Zipkin/Implementation/ZipkinExporterEventSource.cs

@@ -40,7 +40,7 @@ public void FailedExport(Exception ex)
         [NonEvent]
         public void FailedEndpointInitialization(Exception ex)
         {
-            if (this.IsEnabled(EventLevel.Error, (EventKeywords)(-1)))
+            if (this.IsEnabled(EventLevel.Error, EventKeywords.All))
             {
                 this.FailedEndpointInitialization(ex.ToInvariantString());
             }