hg: jdk9/sandbox/jdk: 8157527: Replace @since 1.9 with @since 9 on new math methods

[chris.hegarty at oracle.com]

Changeset: ea91cf963514
Author:    darcy
Date:      2016-05-22 18:23 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/ea91cf963514

8157527: Replace @since 1.9 with @since 9 on new math methods
Reviewed-by: chegar

! src/java.base/share/classes/java/lang/Math.java
! src/java.base/share/classes/java/lang/StrictMath.java