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