Rename nano prot classes to avoid conflict

Bug: 324063814
Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Merged-in: Icab04d2b290a8ea568887dcd837bdedecf64ab0d
Change-Id: Icab04d2b290a8ea568887dcd837bdedecf64ab0d
4 files changed