Add ctx to AndroidMkExtraEntriesFunc

Add a ctx parameter to AndroidMkExtraEntriesFunc to allow them to
access providers.

Bug: 180540739
Test: m checkbuild
Change-Id: Id6becc1e425c3c3d8519248f8c0ce80777fac7cc
diff --git a/android/csuite_config.go b/android/csuite_config.go
index bf24d98..56d2408 100644
--- a/android/csuite_config.go
+++ b/android/csuite_config.go
@@ -40,7 +40,7 @@
 		OutputFile: OptionalPathForPath(me.OutputFilePath),
 	}
 	androidMkEntries.ExtraEntries = []AndroidMkExtraEntriesFunc{
-		func(entries *AndroidMkEntries) {
+		func(ctx AndroidMkExtraEntriesContext, entries *AndroidMkEntries) {
 			if me.properties.Test_config != nil {
 				entries.SetString("LOCAL_TEST_CONFIG", *me.properties.Test_config)
 			}