Add /microdroid_resources to file_contexts

Bug: 287593065
Test: builds
Test: atest MicrodroidTests
Change-Id: Ide20bd031b85d73fa246d8b040245ce1f3983b5d
diff --git a/microdroid/system/private/file_contexts b/microdroid/system/private/file_contexts
index 046f20f..03e9cba 100644
--- a/microdroid/system/private/file_contexts
+++ b/microdroid/system/private/file_contexts
@@ -15,6 +15,7 @@
 # Empty directories
 /lost\+found        u:object_r:rootfs:s0
 /debug_ramdisk      u:object_r:tmpfs:s0
+/microdroid_resources u:object_r:tmpfs:s0
 /mnt                u:object_r:tmpfs:s0
 /proc               u:object_r:rootfs:s0
 /second_stage_resources u:object_r:tmpfs:s0