Roll chromium_revision 55f2a783e1..e887fc7ffd (802244:802375)
Roll chromium_revision 55f2a783e1..e887fc7ffd (802244:802375)

Change log: https://chromium.googlesource.com/chromium/src/+log/55f2a783e1..e887fc7ffd
Full diff: https://chromium.googlesource.com/chromium/src/+/55f2a783e1..e887fc7ffd

Changed dependencies
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/9ee1044092..78cdec74a5
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/1b1e3755f4..c846c9f467
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/e344dfb1cf..8fa238ed24
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/0d4b3aa9cf..f2d1665a12
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/d5a319fb76..32d9325790
* src/third_party/breakpad/breakpad: https://chromium.googlesource.com/breakpad/breakpad.git/+log/e3a62dc550..9c38ab7c67
* src/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/c08c71bedf..7d98e228f8
* src/third_party/perfetto: https://android.googlesource.com/platform/external/perfetto.git/+log/8e6246dafe..ed2e473928
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/061b2a2959..63c0e2a7e5
DEPS diff: https://chromium.googlesource.com/chromium/src/+/55f2a783e1..e887fc7ffd/DEPS

Clang version changed llvmorg-12-init-3492-ga1caa302:llvmorg-12-init-4187-g33ce275f
Details: https://chromium.googlesource.com/chromium/src/+/55f2a783e1..e887fc7ffd/tools/clang/scripts/update.py

TBR=fddc8541b39d4af742d581dcf8938a66de21d310@webrtc-ci.iam.gserviceaccount.com,
BUG=None

Change-Id: If80a24993a8670fdb66b77db05ca56da0a43f837
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/182823
Reviewed-by: Autoroller <fddc8541b39d4af742d581dcf8938a66de21d310@webrtc-ci.iam.gserviceaccount.com>
Commit-Queue: Autoroller <fddc8541b39d4af742d581dcf8938a66de21d310@webrtc-ci.iam.gserviceaccount.com>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#32011}

TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc