Auto generate recovery partition

This change conditionally auto generates the recovery partition in
filesystem_generator.

Test: m soong_generated_recovery_filesystem_test
Bug: 381888358
Change-Id: I8938e842d8587ec1c986542385ed50c19dc1c76d
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 5b217ae..21c24cd 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -762,6 +762,7 @@
 	"system_dlkm",
 	"ramdisk",
 	"vendor_ramdisk",
+	"recovery",
 }
 
 func (f *filesystem) addMakeBuiltFiles(ctx android.ModuleContext, builder *android.RuleBuilder, rootDir android.Path) {