Support OUT_DIR for license graph.

Bug: 226066987

Test: OUT_DIR=/tmp/outdir m all listshare checkshare htmlnotice rtrace dumpgraph dumpresolutions compliancenotice_bom compliancenotice_shippedlibs
Test: OUT_DIR=/tmp/outdir m /tmp/outdir/target/product/bonito/obj/NOTICE.xml.gz
Test: m all listshare checkshare htmlnotice rtrace dumpgraph dumpresolutions compliancenotice_bom compliancenotice_shippedlibs
Test: m out/target/product/bonito/obj/NOTICE.xml.gz

Change-Id: I6282c647a389c5935d5ce7c79193f86d32c76365
diff --git a/tools/compliance/cmd/xmlnotice/xmlnotice_test.go b/tools/compliance/cmd/xmlnotice/xmlnotice_test.go
index 424c95e..731e783 100644
--- a/tools/compliance/cmd/xmlnotice/xmlnotice_test.go
+++ b/tools/compliance/cmd/xmlnotice/xmlnotice_test.go
@@ -24,6 +24,8 @@
 	"regexp"
 	"strings"
 	"testing"
+
+	"android/soong/tools/compliance"
 )
 
 var (
@@ -45,6 +47,7 @@
 	tests := []struct {
 		condition    string
 		name         string
+		outDir       string
 		roots        []string
 		stripPrefix  string
 		expectedOut  []matcher
@@ -459,7 +462,7 @@
 
 			var deps []string
 
-			ctx := context{stdout, stderr, os.DirFS("."), "", []string{tt.stripPrefix}, "", &deps}
+			ctx := context{stdout, stderr, compliance.GetFS(tt.outDir), "", []string{tt.stripPrefix}, "", &deps}
 
 			err := xmlNotice(&ctx, rootFiles...)
 			if err != nil {