Virtual_ab: Add property to control batch writes

Bug: 254188450
Test: OTA
Change-Id: I43c35859e98e449a45164b4d55db43b63ddbaba8
Signed-off-by: Akilesh Kailash <akailash@google.com>
diff --git a/private/property_contexts b/private/property_contexts
index a6a6ce4..38ed8d5 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -321,6 +321,8 @@
 ro.virtual_ab.compression.xor.enabled   u:object_r:virtual_ab_prop:s0 exact bool
 ro.virtual_ab.userspace.snapshots.enabled u:object_r:virtual_ab_prop:s0 exact bool
 ro.virtual_ab.io_uring.enabled u:object_r:virtual_ab_prop:s0 exact bool
+ro.virtual_ab.compression.threads u:object_r:virtual_ab_prop:s0 exact bool
+ro.virtual_ab.batch_writes u:object_r:virtual_ab_prop:s0 exact bool
 snapuserd.ready         u:object_r:snapuserd_prop:s0 exact bool
 snapuserd.proxy_ready   u:object_r:snapuserd_prop:s0 exact bool
 snapuserd.test.dm.snapshots u:object_r:snapuserd_prop:s0 exact bool