ndk_sync_codec_fuzzer : Resolved memory leak

Test: ./ndk_sync_codec_fuzzer
Bug: 247049376

Change-Id: I3b1ad9aa1f0299c509a3add1238a71d8b5fa64bf
(cherry picked from commit 2a85abddfe94b76892cfd272d04fce72c1c8d190)
diff --git a/media/ndk/fuzzer/NdkMediaCodecFuzzerBase.h b/media/ndk/fuzzer/NdkMediaCodecFuzzerBase.h
index e810e55..2875f9f 100644
--- a/media/ndk/fuzzer/NdkMediaCodecFuzzerBase.h
+++ b/media/ndk/fuzzer/NdkMediaCodecFuzzerBase.h
@@ -39,6 +39,7 @@
 
 class NdkMediaCodecFuzzerBase {
   public:
+    NdkMediaCodecFuzzerBase() { mFormat = AMediaFormat_new(); }
     void invokeCodecFormatAPI(AMediaCodec* codec);
     void invokeInputBufferOperationAPI(AMediaCodec* codec);
     void invokeOutputBufferOperationAPI(AMediaCodec* codec);
@@ -57,7 +58,7 @@
     AMediaCodec* createAMediaCodecByType(bool isEncoder, bool isCodecForClient);
     AMediaFormat* getSampleAudioFormat();
     AMediaFormat* getSampleVideoFormat();
-    AMediaFormat* getSampleCodecFormat();
+    void setCodecFormat();
     AMediaFormat* mFormat = nullptr;
     FuzzedDataProvider* mFdp = nullptr;
 };