[libvpx] Update to v1.12.0

libs/libvpx/test/test-data.sha1

@@ -1,3 +1,4 @@
+3eaf216d9fc8b4b9bb8c3956311f49a85974806c *bus_352x288_420_f20_b8.yuv
 d5dfb0151c9051f8c85999255645d7a23916d3c0 *hantro_collage_w352h288.yuv
 b87815bf86020c592ccc7a846ba2e28ec8043902 *hantro_odd.yuv
 76024eb753cdac6a5e5703aaea189d35c3c30ac7 *invalid-vp90-2-00-quantizer-00.webm.ivf.s5861_r01-05_b6-.v2.ivf
@@ -865,3 +866,7 @@ c62b005a9fd32c36a1b3f67de6840330f9915e34 *invalid-crbug-1562.ivf
 f0cd8389948ad16085714d96567612136f6a46c5 *invalid-crbug-1562.ivf.res
 bac455906360b45338a16dd626ac5f19bc36a307 *desktop_office1.1280_720-020.yuv
 094be4b80fa30bd227149ea16ab6476d549ea092 *slides_code_term_web_plot.1920_1080.yuv
+518a0be998afece76d3df76047d51e256c591ff2 *invalid-bug-148271109.ivf
+d3964f9dad9f60363c81b688324d95b4ec7c8038 *invalid-bug-148271109.ivf.res
+ad18ca16f0a249fb3b7c38de0d9b327fed273f96 *hantro_collage_w352h288_nv12.yuv
+8a0b2c350539859463d3546a67876c83ff6ff0ac *desktopqvga.320_240.yuv