Simplify the decision on whether to do remote include extraction. If …

…we are

using an output service and am dealing with an output file, then the file will
likely be remote.

RELNOTES: None.
PiperOrigin-RevId: 353832834

src/main/java/com/google/devtools/build/lib/includescanning/SpawnIncludeScanner.java

@@ -130,8 +130,7 @@ public boolean shouldParseRemotely(Artifact file, ActionExecutionContext ctx) th
     // Files written remotely that are not locally available should be scanned remotely to avoid the
     // bandwidth and disk space penalty of bringing them across. Also, enable include scanning
     // remotely when explicitly directed to via a flag.
-    if (remoteExtractionThreshold == 0
-        || (outputService != null && outputService.isRemoteFile(file))) {
+    if (remoteExtractionThreshold == 0 || (outputService != null && !file.isSourceArtifact())) {
       return true;
     }
     FileStatus status = syscallCache.get().statIfFound(file.getPath(), Symlinks.FOLLOW);