Revert "Revert "Added EXTRA_ALLOWED_DEPS_TXT to allow arbitrary ..."

Revert submission 3444766-non-aosp-allowed-deps

Reason for revert: <Droidmonitor created revert due to b/389580262.Will be verified through ABTD for standard investigation.>

Reverted changes: /q/submissionid:3444766-non-aosp-allowed-deps

Change-Id: I0f62307e4b3ca8fbc53303576f42929b5eebeadf
diff --git a/android/variable.go b/android/variable.go
index 1de8796..4b61827 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -543,6 +543,8 @@
 
 	PartitionVarsForSoongMigrationOnlyDoNotUse PartitionVariables
 
+	ExtraAllowedDepsTxt *string `json:",omitempty"`
+
 	AdbKeys *string `json:",omitempty"`
 
 	DeviceMatrixFile       []string `json:",omitempty"`