Merge "Remove getDeclared{Fields,Methods}Unchecked from paltform api" am: 1c456bfc85 am: 4cdd6195c9 am: e21d070c28

Original change: https://android-review.googlesource.com/c/platform/libcore/+/1682087

Change-Id: I15750c3935c052d43810c581edbabc35bb1d8f89