Add DepSets
Add DepSets to efficiently support tracking transitive Paths without
copying, based on Bazel's depsets:
https://docs.bazel.build/versions/master/skylark/depsets.html
Test: depset_test.go
Change-Id: If744affdf1ed850113166ba611a79a891262040c
diff --git a/android/Android.bp b/android/Android.bp
index 487372b..977345b 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -19,6 +19,7 @@
"csuite_config.go",
"defaults.go",
"defs.go",
+ "depset.go",
"expand.go",
"filegroup.go",
"hooks.go",
@@ -61,6 +62,7 @@
"arch_test.go",
"config_test.go",
"csuite_config_test.go",
+ "depset_test.go",
"expand_test.go",
"module_test.go",
"mutator_test.go",