SVT-AV1/README.libaom: add Chromium required fields

+ normalize License text

Bug: 421989388
Fixed: 421989388
Change-Id: Iaf86d46007ad0b73fc464830e101f6650bde78ce

third_party/SVT-AV1/README.libaom

diff --git a/third_party/SVT-AV1/README.libaom b/third_party/SVT-AV1/README.libaom
index 1dadd49..455c072 100644
--- a/third_party/SVT-AV1/README.libaom
+++ b/third_party/SVT-AV1/README.libaom
@@ -1,8 +1,11 @@
+Name: SVT-AV1
 URL: https://gitlab.com/AOMediaCodec/SVT-AV1
 
 Version: 8ff99c90359330d2e807757c9425560bbc452ff3
-License: BSD-3-clause clear
+License: BSD-3-Clause-Clear
 License File: LICENSE.md
+Shipped in Chromium: yes
+Security Critical: yes
 
 Description:
 Port the x86 intrinsics used for single reference convolve reconstructions.