hg: jdk9/sandbox/jdk: 8159180: Remove default setting for jdk.security.provider.preferred

[chris.hegarty at oracle.com]

Changeset: 3a1457267440
Author:    ascarpino
Date:      2016-07-02 13:51 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/3a1457267440

8159180: Remove default setting for jdk.security.provider.preferred
Reviewed-by: xuelei

! src/java.base/share/conf/security/java.security
! test/sun/security/jca/PreferredProviderNegativeTest.java
! test/sun/security/jca/PreferredProviderTest.java