added disable_vabc field to install_plan

Test: tested compilation. Applied OTA to cuttlefish instance with VABC
flag disabled.

Change-Id: I2d5756a58deb3d4bf7e80983294746c91aebeccb
diff --git a/aosp/update_attempter_android.cc b/aosp/update_attempter_android.cc
index d085918..aab6d2d 100644
--- a/aosp/update_attempter_android.cc
+++ b/aosp/update_attempter_android.cc
@@ -346,6 +346,9 @@
               << headers[kPayloadPropertyNetworkProxy];
     fetcher->SetProxies({headers[kPayloadPropertyNetworkProxy]});
   }
+  if (!headers[kPayloadDisableVABC].empty()) {
+    install_plan_.disable_vabc = true;
+  }
 
   BuildUpdateActions(fetcher);
 
@@ -430,7 +433,7 @@
 
   if (!boot_control_->GetDynamicPartitionControl()->ResetUpdate(prefs_)) {
     LOG(WARNING) << "Failed to reset snapshots. UpdateStatus is IDLE but"
-                  << "space might not be freed.";
+                 << "space might not be freed.";
   }
   switch (status_) {
     case UpdateStatus::IDLE: {