Add @JavaSuppressLint

This is a kind of passthrough annotations for the Java backend. But
adding it as an AIDL annotation is much simpler since it also affects
--checkapi. (JavaSuppressLint can be ignored when checking backward
compatibility.)

Bug: 193460475
Test: aidl_unittests
Merged-In: I640e2268b7bdfeb7c630e3620f5eea20ef354679
Change-Id: I640e2268b7bdfeb7c630e3620f5eea20ef354679
(cherry picked from commit c2bc750f87418979a4e1e8c14c64b51c153d2ea2)
7 files changed