Merge "Update debugging instructions." am: c2fc91e52b am: 64578d5b13 am: 2e7bc8ddec am: 5a639e27d8

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1841374

Change-Id: Idb8e8ed0c1b45c9696fb557f257db54a0d7e698f
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