Annotations are part of methods identity

[agi90]

Annotations are part of methods identity in apilint, which causes apilint to not recognize when annotations are added or removed and instead causing apilint to think that the method has been removed giving a confusing error.

E.g. apilint gives this error:

Error: Method removed or incompatible change
    in method public org.mozilla.geckoview.GeckoResult<org.mozilla.gecko.util.GeckoBundle> getSnapshots(boolean)
    in public final class RuntimeTelemetry
    in package org.mozilla.geckoview
    at line 846

for this change

   public final class RuntimeTelemetry {
-    method public org.mozilla.geckoview.GeckoResult<org.mozilla.gecko.util.GeckoBundle> getSnapshots(boolean);
+    method @android.support.annotation.AnyThread public org.mozilla.geckoview.GeckoResult<org.mozilla.gecko.util.GeckoBundle> getSnapshots(boolean);
   }

While really what we would want is "Annotation added" which should probably not be a compat issue.