Added cdm_engine_fuzzer

exec/s: 20
Test: ./cdm_engine_fuzzer
Bug: 265234582

Change-Id: I17f80264c2772b07cd4461864e6d010310cfc910

fuzzer/Android.bp

@@ -116,3 +116,9 @@ cc_fuzz {
     srcs: ["buffer_reader_fuzzer.cpp"],
     defaults: ["libcdm_fuzzer_defaults"],
 }
+
+cc_fuzz {
+    name: "cdm_engine_fuzzer",
+    srcs: ["cdm_engine_fuzzer.cpp"],
+    defaults: ["libcdm_fuzzer_defaults"],
+}