Roll chromium_revision a8e5140..c6076f2 (372922:372974) incl. update to Opus v.1.1.2

Includes updates to tests for Opus v.1.1.2, reveiwed in
https://codereview.webrtc.org/1629413002/

Change log: https://chromium.googlesource.com/chromium/src/+log/a8e5140..c6076f2
Full diff: https://chromium.googlesource.com/chromium/src/+/a8e5140..c6076f2

Changed dependencies:
* src/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/471db30..d4d48e6
* src/third_party/opus/src: https://chromium.googlesource.com/chromium/deps/opus.git/+log/cae6961..655cc54
DEPS diff: https://chromium.googlesource.com/chromium/src/+/a8e5140..c6076f2/DEPS

No update to Clang.

BUG=chromium:580524
TBR=

Review URL: https://codereview.webrtc.org/1657343002

Cr-Commit-Position: refs/heads/master@{#11464}
diff --git a/webrtc/modules/modules_unittests.isolate b/webrtc/modules/modules_unittests.isolate
index 10eb6f4..cbef944 100644
--- a/webrtc/modules/modules_unittests.isolate
+++ b/webrtc/modules/modules_unittests.isolate
@@ -114,6 +114,7 @@
           '<(DEPTH)/resources/remote_bitrate_estimator/VideoSendersTest_BweTest_UnlimitedSpeed_0_AST.bin',
           '<(DEPTH)/resources/remote_bitrate_estimator/VideoSendersTest_BweTest_UnlimitedSpeed_0_TOF.bin',
           '<(DEPTH)/resources/short_mixed_mono_48.dat',
+          '<(DEPTH)/resources/short_mixed_mono_48_arm.dat',
           '<(DEPTH)/resources/short_mixed_mono_48.pcm',
           '<(DEPTH)/resources/short_mixed_stereo_48.dat',
           '<(DEPTH)/resources/short_mixed_stereo_48.pcm',