bouncycastle: Android tree with upstream code for version 1.49

Android tree as of 08e455bd61ddaa02255383e85480b0d9cde6e954

Change-Id: I99dab80b49707f0fdefb67ccd1bcfe765363b5e5
diff --git a/bouncycastle.version b/bouncycastle.version
new file mode 100644
index 0000000..89e1ea4
--- /dev/null
+++ b/bouncycastle.version
@@ -0,0 +1,2 @@
+BOUNCYCASTLE_JDK=15on
+BOUNCYCASTLE_VERSION=149