Support for rust recovery snapshot.

Bug: 197866992
Test: source build/envsetup.sh
Test: m -j nothing
Change-Id: I02bb188669cf9f17073592a4622998f96d5f54ac
diff --git a/cc/snapshot_utils.go b/cc/snapshot_utils.go
index 24abcce..de50ef5 100644
--- a/cc/snapshot_utils.go
+++ b/cc/snapshot_utils.go
@@ -113,7 +113,7 @@
 		return ctx.Config().VndkSnapshotBuildArtifacts()
 	}
 
-	for _, image := range []SnapshotImage{VendorSnapshotImageSingleton, recoverySnapshotImageSingleton} {
+	for _, image := range []SnapshotImage{VendorSnapshotImageSingleton, RecoverySnapshotImageSingleton} {
 		if isSnapshotAware(ctx.DeviceConfig(), m, image.IsProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()), apexInfo, image) {
 			return true
 		}