Pass hiddenapi-greylist-max-q.txt to greylist generator.

Bug: 137350495
Test: m, manual inspection of out/soong/hiddenapi/hiddenapi-flags.csv
Change-Id: I67227307ec08ab56a385980eceacaab1b985eb49
diff --git a/java/hiddenapi_singleton.go b/java/hiddenapi_singleton.go
index 8379f53..c0ef444 100644
--- a/java/hiddenapi_singleton.go
+++ b/java/hiddenapi_singleton.go
@@ -241,6 +241,8 @@
 			android.PathForSource(ctx, "frameworks/base/config/hiddenapi-greylist.txt")).
 		FlagWithInput("--greylist-ignore-conflicts ",
 			greylistIgnoreConflicts).
+		FlagWithInput("--greylist-max-q ",
+			android.PathForSource(ctx, "frameworks/base/config/hiddenapi-greylist-max-q.txt")).
 		FlagWithInput("--greylist-max-p ",
 			android.PathForSource(ctx, "frameworks/base/config/hiddenapi-greylist-max-p.txt")).
 		FlagWithInput("--greylist-max-o-ignore-conflicts ",