Android 7.0.0 release 17
sun.security.util: check lengths in DER encoding are non-negative

Port of:
http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/4581ed6af636

This completes the upgrade to jdk8u60 of the classes
DerIndefLenConverter and DerInputStream.

(cherry picked from commit e27611b2c8a2c8cb413ff2f5f0c9cbae288aa835)

Bug: 30703445
Bug: 29631070
Change-Id: I052a1ea9959f9623973bf949a96923b603e17774
(cherry picked from commit 4c3078609421ce333468dd415d62980e68d35c9e)
3 files changed