[9] RFR: 8180307: Add new JDK 9 Required Algorithms to Cipher class

[Sean Mullan]

A couple of new required algorithms for JDK 9 were accidentally omitted 
for the Cipher class as part of JDK-8015388. Docs only change.

diff --git a/src/java.base/share/classes/javax/crypto/Cipher.java 
b/src/java.base/share/classes/javax/crypto/Cipher.java
--- a/src/java.base/share/classes/javax/crypto/Cipher.java
+++ b/src/java.base/share/classes/javax/crypto/Cipher.java
@@ -137,6 +137,8 @@
  * <li>{@code AES/CBC/PKCS5Padding} (128)</li>
  * <li>{@code AES/ECB/NoPadding} (128)</li>
  * <li>{@code AES/ECB/PKCS5Padding} (128)</li>
+ * <li>{@code AES/GCM/NoPadding} (128)</li>
+ * <li>{@code AES/GCM/PKCS5Padding} (128)</li>
  * <li>{@code DES/CBC/NoPadding} (56)</li>
  * <li>{@code DES/CBC/PKCS5Padding} (56)</li>
  * <li>{@code DES/ECB/NoPadding} (56)</li>
Thanks,
Sean