Expose FuzzingEngineInfo so that external rules can use the information inside. (#154)

fuzzing/cc_defs.bzl

diff --git a/fuzzing/cc_defs.bzl b/fuzzing/cc_defs.bzl
index d855ead..288148d 100644
--- a/fuzzing/cc_defs.bzl
+++ b/fuzzing/cc_defs.bzl
@@ -25,6 +25,7 @@
 )
 load(
     "//fuzzing/private:engine.bzl",
+    _FuzzingEngineInfo = "FuzzingEngineInfo",
     _cc_fuzzing_engine = "cc_fuzzing_engine",
 )
 
@@ -32,3 +33,5 @@
 cc_fuzzing_engine = _cc_fuzzing_engine
 
 fuzzing_decoration = _fuzzing_decoration
+
+FuzzingEngineInfo = _FuzzingEngineInfo

fuzzing/java_defs.bzl

diff --git a/fuzzing/java_defs.bzl b/fuzzing/java_defs.bzl
index b6179b8..27dbfae 100644
--- a/fuzzing/java_defs.bzl
+++ b/fuzzing/java_defs.bzl
@@ -25,6 +25,7 @@
 )
 load(
     "//fuzzing/private:engine.bzl",
+    _FuzzingEngineInfo = "FuzzingEngineInfo",
     _java_fuzzing_engine = "java_fuzzing_engine",
 )
 
@@ -32,3 +33,5 @@
 java_fuzzing_engine = _java_fuzzing_engine
 
 fuzzing_decoration = _fuzzing_decoration
+
+FuzzingEngineInfo = _FuzzingEngineInfo