hg: jdk8/tl/jdk: 7092825: javax.crypto.Cipher.Transform.patternCache is synchronizedMap and became scalability bottleneck.

[valerie.peng at oracle.com]

Changeset: 313da5d059bf
Author:    valeriep
Date:      2012-01-19 12:01 -0800
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/313da5d059bf

7092825: javax.crypto.Cipher.Transform.patternCache is synchronizedMap and became scalability bottleneck.
Summary: Changed patternCache from synchronizedMap to ConcurrentHashMap.
Reviewed-by: mullan

! src/share/classes/javax/crypto/Cipher.java