**README.libaom: prefer 'Revision' over 'Version'

This should satisfy Chrome tooling that requires a requires 'Revision'
when 'URL' can be used with `git clone` (as opposed to a package
manager, for instance.).

Bug: 446258249
Change-Id: I46501315e90359c7da604a3ef699639abd0a883f

third_party/SVT-AV1/README.libaom

diff --git a/third_party/SVT-AV1/README.libaom b/third_party/SVT-AV1/README.libaom
index bf6e287..9f0dc2e 100644
--- a/third_party/SVT-AV1/README.libaom
+++ b/third_party/SVT-AV1/README.libaom
@@ -1,7 +1,7 @@
 Name: SVT-AV1
 URL: https://gitlab.com/AOMediaCodec/SVT-AV1
 Update Mechanism: Manual
-Version: 8ff99c90359330d2e807757c9425560bbc452ff3
+Revision: 8ff99c90359330d2e807757c9425560bbc452ff3
 License: BSD-3-Clause-Clear
 License File: LICENSE.md
 Shipped in Chromium: no

third_party/fastfeat/README.libaom

diff --git a/third_party/fastfeat/README.libaom b/third_party/fastfeat/README.libaom
index f16a5e0..770050b 100644
--- a/third_party/fastfeat/README.libaom
+++ b/third_party/fastfeat/README.libaom
@@ -1,7 +1,7 @@
 Name: FAST feature detectors in C Version 2.0
 URL: https://github.com/edrosten/fast-C-src
 Update Mechanism: Manual
-Version: 391d5e939eb1545d24c10533d7de424db8d9c191
+Revision: 391d5e939eb1545d24c10533d7de424db8d9c191
 License: BSD-3-Clause
 License File: LICENSE
 Shipped in Chromium: no

third_party/googletest/README.libaom

diff --git a/third_party/googletest/README.libaom b/third_party/googletest/README.libaom
index edeb250..16987ae 100644
--- a/third_party/googletest/README.libaom
+++ b/third_party/googletest/README.libaom
@@ -2,7 +2,7 @@
 Short Name: googletest
 URL: https://github.com/google/googletest
 Update Mechanism: Manual
-Version: release-1.12.1
+Revision: release-1.12.1
 License: BSD-3-Clause
 License File: LICENSE
 Shipped in Chromium: no

third_party/highway/README.libaom

diff --git a/third_party/highway/README.libaom b/third_party/highway/README.libaom
index 9fa264f..b1a83ba 100644
--- a/third_party/highway/README.libaom
+++ b/third_party/highway/README.libaom
@@ -2,7 +2,7 @@
 Short Name: highway
 URL: https://github.com/google/highway
 Update Mechanism: Manual
-Version: e92c12750d18c372867809b882dd3ec6874ecc73
+Revision: e92c12750d18c372867809b882dd3ec6874ecc73
 License: BSD-3-Clause
 License File: LICENSE-BSD3
 Shipped in Chromium: no

third_party/libwebm/README.libaom

diff --git a/third_party/libwebm/README.libaom b/third_party/libwebm/README.libaom
index b067065..49a6bbe 100644
--- a/third_party/libwebm/README.libaom
+++ b/third_party/libwebm/README.libaom
@@ -1,7 +1,7 @@
 Name: libwebm
 URL: https://chromium.googlesource.com/webm/libwebm
 Update Mechanism: Manual
-Version: 3b630045052e1e4d563207ab9e3be8d137c26067
+Revision: 3b630045052e1e4d563207ab9e3be8d137c26067
 License: BSD-3-Clause
 License File: LICENSE.TXT
 Shipped in Chromium: no

third_party/libyuv/README.libaom

diff --git a/third_party/libyuv/README.libaom b/third_party/libyuv/README.libaom
index 5b22930..84ae660 100644
--- a/third_party/libyuv/README.libaom
+++ b/third_party/libyuv/README.libaom
@@ -1,7 +1,7 @@
 Name: libyuv
 URL: https://chromium.googlesource.com/libyuv/libyuv/
 Update Mechanism: Manual
-Version: dfaf7534e0e536f7e5ef8ddd7326797bd09b8622
+Revision: dfaf7534e0e536f7e5ef8ddd7326797bd09b8622
 License: BSD-3-Clause
 License File: LICENSE
 Shipped in Chromium: no

third_party/x86inc/README.libaom

diff --git a/third_party/x86inc/README.libaom b/third_party/x86inc/README.libaom
index b0abc6c..6d6e256 100644
--- a/third_party/x86inc/README.libaom
+++ b/third_party/x86inc/README.libaom
@@ -1,7 +1,7 @@
 Name: x86inc.asm
 URL: https://git.videolan.org/git/x264.git
 Update Mechanism: Manual
-Version: 3e5aed95cc470f37e2db3e6506a8deb89b527720
+Revision: 3e5aed95cc470f37e2db3e6506a8deb89b527720
 License: ISC
 License File: LICENSE
 Shipped in Chromium: yes