bouncycastle: Android tree with upstream code for version 1.61

Test: no tests needed, this branch is only for diffing against upstream
Change-Id: I229752afcbb6c113248155b5dd969bd73b697e42
diff --git a/bouncycastle.version b/bouncycastle.version
index e258c89..24734c8 100644
--- a/bouncycastle.version
+++ b/bouncycastle.version
@@ -1,2 +1,2 @@
 BOUNCYCASTLE_JDK=15on
-BOUNCYCASTLE_VERSION=157
+BOUNCYCASTLE_VERSION=161