Generate actions when building the module graph. am: eb0454b2a4 am: 893308aa08 am: f66d5035fd am: 3a50f41dea

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1870487

Change-Id: I4f23933538851d1f19668c1e38f6b2f26d26bf17
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