bp2build apex: convert canned_fs_config property.

Bug: 275280970
Test: bp2build unit test
Change-Id: Ic6867a640a5079cd206419ddd378d2357093dae6
diff --git a/apex/apex.go b/apex/apex.go
index 0f32f77..3678636 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -3519,6 +3519,7 @@
 	Manifest              bazel.LabelAttribute
 	Android_manifest      bazel.LabelAttribute
 	File_contexts         bazel.LabelAttribute
+	Canned_fs_config      bazel.LabelAttribute
 	Key                   bazel.LabelAttribute
 	Certificate           bazel.LabelAttribute  // used when the certificate prop is a module
 	Certificate_name      bazel.StringAttribute // used when the certificate prop is a string
@@ -3578,6 +3579,11 @@
 		fileContextsLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *a.properties.File_contexts))
 	}
 
+	var cannedFsConfigAttribute bazel.LabelAttribute
+	if a.properties.Canned_fs_config != nil {
+		cannedFsConfigAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *a.properties.Canned_fs_config))
+	}
+
 	productVariableProps := android.ProductVariableProperties(ctx, a)
 	// TODO(b/219503907) this would need to be set to a.MinSdkVersionValue(ctx) but
 	// given it's coming via config, we probably don't want to put it in here.
@@ -3664,6 +3670,7 @@
 		Manifest:              manifestLabelAttribute,
 		Android_manifest:      androidManifestLabelAttribute,
 		File_contexts:         fileContextsLabelAttribute,
+		Canned_fs_config:      cannedFsConfigAttribute,
 		Min_sdk_version:       minSdkVersion,
 		Key:                   keyLabelAttribute,
 		Certificate:           certificate,