Flac codec link statically against libaudio_utils

Static linking avoids pulling in most of the library, along with the related
downstream dependencies that come with rest of the library.

Bug: 175515423
Test: atest CtsMediaTestCases:android.media.cts.DecoderTest#testFlacIdentity
Test: atest CtsMediaTestCases:android.media.cts.DecoderTest#testDecodeFlac
Change-Id: I0e583100236bf3d68f46dbde275cf57b4d97c31d
(cherry picked from commit 2e6a54ef411b62a23ba08cf7d83d94b429a7ad24)
diff --git a/media/codec2/components/flac/Android.bp b/media/codec2/components/flac/Android.bp
index 603c412..3529fec 100644
--- a/media/codec2/components/flac/Android.bp
+++ b/media/codec2/components/flac/Android.bp
@@ -23,11 +23,8 @@
 
     srcs: ["C2SoftFlacEnc.cpp"],
 
-    shared_libs: [
-        "libaudioutils",
-    ],
-
     static_libs: [
         "libFLAC",
+        "libaudioutils",
     ],
 }