Add setter for float

Author: dougqh

dd-java-agent/instrumentation-testing/src/main/groovy/datadog/trace/agent/test/TrackingSpanDecorator.groovy

@@ -134,6 +134,11 @@ class TrackingSpanDecorator implements AgentSpan {
     return delegate.setTag(key, value)
   }
 
+  @Override
+  AgentSpan setTag(String key, float value) {
+    return delegate.setTag(key, value)
+  }
+
   @Override
   AgentSpan setTag(String key, double value) {
     return delegate.setTag(key, value)

dd-trace-core/src/main/java/datadog/trace/core/DDSpan.java

@@ -428,6 +428,12 @@ public DDSpan setTag(final String tag, final long value) {
     return this;
   }
 
+  @Override
+  public DDSpan setTag(final String tag, final float value) {
+    context.setTag(tag, value);
+    return this;
+  }
+
   @Override
   public DDSpan setTag(final String tag, final double value) {
     context.setTag(tag, value);

internal-api/src/main/java/datadog/trace/bootstrap/instrumentation/api/AgentSpan.java

@@ -66,6 +66,8 @@ default boolean isValid() {
 
   AgentSpan setTag(String key, long value);
 
+  AgentSpan setTag(String key, float value);
+
   AgentSpan setTag(String key, double value);
 
   @Override

internal-api/src/main/java/datadog/trace/bootstrap/instrumentation/api/ImmutableSpan.java

@@ -26,6 +26,11 @@ public AgentSpan setTag(String key, long value) {
     return this;
   }
 
+  @Override
+  public AgentSpan setTag(String key, float value) {
+    return this;
+  }
+
   @Override
   public AgentSpan setTag(String key, double value) {
     return this;