Make fresco/imagepipeline-base/.../callercontext nullsafe
package com.facebook.callercontext;
+import com.facebook.infer.annotation.Nullsafe;
import javax.annotation.Nullable;
/** Verifies CallerContext */
+@Nullsafe(Nullsafe.Mode.STRICT)
public interface CallerContextVerifier {
void verifyCallerContext(@Nullable Object callerContext, boolean isPrefetch);
