Revert "Move annotations to native."

This reverts commit 0042c6d49b8488c78f0b937063e316e8d6244439.

Reverting this change (as well as the companion CL
https://android-review.googlesource.com/#/c/167510/ in
platform/libcore) as they make libcore test
libcore.java.lang.reflect.ProxyTest#test24846 fail.

Change-Id: Ie0676cabb128277c7df5dab7bde17aefd3b2c09c
12 files changed