Microdroid is temporarily non-protected

The kernel/u-boot are not ready yet. Temporarily turn the protected bit
off forcibly.

Bug: N/A
Test: m
Change-Id: If1e5164d64b3a9b5b4be5c8a92d732bf6d070448
diff --git a/microdroid/microdroid.json b/microdroid/microdroid.json
index 9e630f8..c6c743d 100644
--- a/microdroid/microdroid.json
+++ b/microdroid/microdroid.json
@@ -38,5 +38,5 @@
     }
   ],
   "memory_mib": 2048,
-  "protected": true
+  "protected": false
 }