microdroid: rename property to "apk_root_hash"

Bug: 193504400
Test: atest MicrodroidHostTestCases
Change-Id: I3bd0fd337d85b29e5dfdfba49ee5328e48f5be89
diff --git a/microdroid/system/private/property_contexts b/microdroid/system/private/property_contexts
index f2ce09a..7460fb4 100644
--- a/microdroid/system/private/property_contexts
+++ b/microdroid/system/private/property_contexts
@@ -103,4 +103,4 @@
 
 apex_config.done u:object_r:apex_config_prop:s0 exact bool
 
-microdroid_manager.apk_roothash u:object_r:microdroid_manager_roothash_prop:s0 exact string
+microdroid_manager.apk_root_hash u:object_r:microdroid_manager_roothash_prop:s0 exact string