New command entry for acloud powerwash.

Bug: 162382338
Test: acloud-dev powerwash --instance-name $instance_name
Change-Id: Ie64761bb6e7a2bb0513002a4d610a2406a7794c8
diff --git a/Android.bp b/Android.bp
index 70d032e..cb49b12 100644
--- a/Android.bp
+++ b/Android.bp
@@ -51,6 +51,7 @@
         "acloud_internal",
         "acloud_list",
         "acloud_pull",
+        "acloud_powerwash",
         "acloud_metrics",
         "acloud_proto",
         "acloud_public",
@@ -191,6 +192,14 @@
 }
 
 python_library_host{
+    name: "acloud_powerwash",
+    defaults: ["acloud_default"],
+    srcs: [
+         "powerwash/*.py",
+    ],
+}
+
+python_library_host{
     name: "acloud_metrics",
     defaults: ["acloud_default"],
     srcs: [