SolibSymlinkAction does not need exec platform or properties

#14826

Closes #14827.

PiperOrigin-RevId: 447948011

Author: glukasiknuro

src/main/java/com/google/devtools/build/lib/rules/cpp/SolibSymlinkAction.java

@@ -15,6 +15,7 @@
 package com.google.devtools.build.lib.rules.cpp;
 
 import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.devtools.build.lib.actions.AbstractAction;
 import com.google.devtools.build.lib.actions.ActionAnalysisMetadata;
@@ -29,6 +30,7 @@
 import com.google.devtools.build.lib.actions.ArtifactRoot;
 import com.google.devtools.build.lib.analysis.RuleContext;
 import com.google.devtools.build.lib.analysis.actions.ActionConstructionContext;
+import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
 import com.google.devtools.build.lib.collect.nestedset.Order;
@@ -282,4 +284,17 @@ public boolean shouldReportPathPrefixConflict(ActionAnalysisMetadata action) {
   public boolean mayInsensitivelyPropagateInputs() {
     return true;
   }
+
+  @Override
+  @Nullable
+  public PlatformInfo getExecutionPlatform() {
+    // SolibSymlinkAction is platform agnostic.
+    return null;
+  }
+
+  @Override
+  public ImmutableMap<String, String> getExecProperties() {
+    // SolibSymlinkAction is platform agnostic.
+    return ImmutableMap.of();
+  }
 }