Switch av1 implementations from aom to gav1

Deprecate the aom implementation in favor of the faster/smaller gav1
implementation.

Bug: 130249450
Bug: 131989882
Test: playback multiple av1 clips
Change-Id: I04a3507376e32b1f7a037809cbb7848e65a404e5
diff --git a/services/mediacodec/registrant/Android.bp b/services/mediacodec/registrant/Android.bp
index e3893e5..fa5bc4a 100644
--- a/services/mediacodec/registrant/Android.bp
+++ b/services/mediacodec/registrant/Android.bp
@@ -42,8 +42,8 @@
         "libcodec2_soft_opusenc",
         "libcodec2_soft_vp8dec",
         "libcodec2_soft_vp9dec",
-        "libcodec2_soft_av1dec",
-        "libcodec2_soft_gav1dec",
+        // "libcodec2_soft_av1dec_aom",  // replaced by the gav1 implementation
+        "libcodec2_soft_av1dec_gav1",
         "libcodec2_soft_vp8enc",
         "libcodec2_soft_vp9enc",
         "libcodec2_soft_rawdec",