Keep the following targets disabled in mixed build since there are errors in mixed_droid CI after go/oag/1861755 is submitted. am: c989eaf4c3 am: e18517bc25 am: bedc6ecdc8 am: 5b5731cd0d

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1879178

Change-Id: I9debadd841fddcb6097977b24a12c4e71a43b8ff
diff --git a/android/variable.go b/android/variable.go
index baa6dfa..2a7b390 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -121,6 +121,8 @@
 			Shared_libs       []string
 
 			Cmdline []string
+			Srcs         []string
+			Exclude_srcs []string
 		}
 
 		// eng is true for -eng builds, and can be used to turn on additionaly heavyweight debugging