Add missing check for remote exec properties

Author: Silic0nS0ldier

src/main/java/com/google/devtools/build/lib/analysis/platform/PlatformUtils.java

@@ -76,7 +76,11 @@ public static Platform getPlatformProto(
             ? remoteOptions.getRemoteDefaultExecProperties()
             : ImmutableSortedMap.of();
 
-    if ((spawn.getExecutionPlatform() == null || spawn.getExecutionPlatform().execProperties().isEmpty())
+    if ((spawn.getExecutionPlatform() == null
+        || (
+          spawn.getExecutionPlatform().execProperties().isEmpty()
+          && spawn.getExecutionPlatform().remoteExecutionProperties().isEmpty()
+        ))
         && spawn.getCombinedExecProperties().isEmpty()
         && defaultExecProperties.isEmpty()
         && additionalProperties.isEmpty()) {