Allows symlink tree actions to construct fileset links without consuming the input manifest. Instead, construct the links directly from the Fileset links propagated through the action execution values.

PiperOrigin-RevId: 292183775
diff --git a/src/test/java/com/google/devtools/build/lib/exec/SymlinkTreeStrategyTest.java b/src/test/java/com/google/devtools/build/lib/exec/SymlinkTreeStrategyTest.java
index c50c7f6..839a4bb 100644
--- a/src/test/java/com/google/devtools/build/lib/exec/SymlinkTreeStrategyTest.java
+++ b/src/test/java/com/google/devtools/build/lib/exec/SymlinkTreeStrategyTest.java
@@ -92,7 +92,7 @@
             inputManifest,
             runfiles,
             outputManifest,
-            /*filesetTree=*/ false,
+            /*filesetRoot=*/ null,
             ActionEnvironment.EMPTY,
             /*enableRunfiles=*/ true,
             /*inprocessSymlinkCreation=*/ false,
@@ -138,7 +138,7 @@
             inputManifest,
             runfiles,
             outputManifest,
-            /*filesetTree=*/ false,
+            /*filesetRoot=*/ null,
             ActionEnvironment.EMPTY,
             /*enableRunfiles=*/ true,
             /*inprocessSymlinkCreation=*/ true,