OpenJDK 11: Move math classes from sun.misc.* to jdk.internal.math

This is part of merging upstream changes from OpenJDK 11.28. This CL
updates tests for FloatingDecimal that was moved from sun.misc to
jdk.internal.math.

Bug: 199067710
Test: m droid
Change-Id: Ic5d0888029fbdd0e4b3605fa8a99f7f674d204a1
2 files changed