This reverts commit 6e6385a0.

Reason for revert: Breaks MSAN, see https://bugs.chromium.org/p/v8/issues/detail?id=12277

Original change's description:
> Update V8 DEPS.
>
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/ecb990f..28fa03f
>
> Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/50e90b8..31a3660
>
> Rolling v8/third_party/aemu-linux-x64: e_KiIcYNB7sHa2eqRBhqVoR_Mmg2Q7nqmzRCXzegWQAC..pE8RqfOzLp5AXCDDOSrlKJ4MZInfuyxWzRSwdXBe1doC
>
> Rolling v8/third_party/android_platform: https://chromium.googlesource.com/chromium/src/third_party/android_platform/+log/6e5dc9a..7a11b79
>
> Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/5afc365..01df326
>
> Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/764c927..9c24aed
>
> Rolling v8/third_party/instrumented_libraries: https://chromium.googlesource.com/chromium/src/third_party/instrumented_libraries/+log/eb740e9..0aa3fcf
>
> TBR=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com
>
> Change-Id: If86099561baf7a927d6c5109790dad7b958208d0
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3194881
> Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
> Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/main@{#77153}

Change-Id: I40135e9ed7adfcbfca054969c729aba5d8c9c91e
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3195713
Auto-Submit: Maya Lekova <mslekova@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Owners-Override: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77159}