Print "[for tool]" in progress message for both host and exec configuration.

Host configuration used to print "[for host]", whereas exec configuration prints no additional info. Printing something is potentially required by some integrations.

Changing "[for host]" to "[for tool]" might break some integrations, but in my opinion that's better than printing incorrect information.

PiperOrigin-RevId: 419548952
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java b/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
index 6f8d8ad..3788fea 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
@@ -140,7 +140,7 @@
         Builder contextBuilder, ConfiguredTargetAndData prerequisite, Attribute attribute);
   }
 
-  private static final String HOST_CONFIGURATION_PROGRESS_TAG = "for host";
+  private static final String TOOL_CONFIGURATION_PROGRESS_TAG = "for tool";
 
   private final Rule rule;
   /**
@@ -542,7 +542,7 @@
         rule.getTargetKind(),
         configuration.checksum(),
         configuration.toBuildEvent(),
-        configuration.isHostConfiguration() ? HOST_CONFIGURATION_PROGRESS_TAG : null,
+        configuration.isToolConfiguration() ? TOOL_CONFIGURATION_PROGRESS_TAG : null,
         execProperties,
         executionPlatform);
   }