Update intrinsic Unsafe.getLong() after moving to core platform API

Bug: 129062985
Bug: 130281183
Test: compiles (DCHECK in SetIntrinsic would fail otherwise)
Merged-In: If891f4be97ca4622db6f03631c6fd50536dd3ff9
Change-Id: If891f4be97ca4622db6f03631c6fd50536dd3ff9
(cherry picked from commit c63d56637c224a281f358aec03df07f944eaf498)
1 file changed