Add Owners file to manage dumpstate

Bug: 240530709
Change-Id: If7d9a169a3085e358256289dd8a8284a4d808271
diff --git a/dumpstate/README.txt b/dumpstate/README.txt
new file mode 100644
index 0000000..b279bda
--- /dev/null
+++ b/dumpstate/README.txt
@@ -0,0 +1 @@
+Please refer to go/pixel-recycle to modularize your code in this space.