Update to Chromium version 102.0.4997.0 (#990845)

- Windows: SDK version 10.0.20348.0 is now required.
- MacOS: SDK version 12.3 (Xcode 13.3) is now required.
- Legacy swiftshader binaries (`swiftshader/*` on Win/Linux and
  `libswiftshader_*.dylib` on MacOS) have been removed (see issue #3176).

include/internal/cef_types.h

@@ -3102,8 +3102,14 @@ typedef enum {
   // pass-through mode).
   CEF_CHANNEL_LAYOUT_BITSTREAM = 32,
 
+  // Front L, Front R, Front C, LFE, Side L, Side R,
+  // Front Height L, Front Height R, Rear Height L, Rear Height R
+  // Will be represented as six channels (5.1) due to eight channel limit
+  // kMaxConcurrentChannels
+  CEF_CHANNEL_LAYOUT_5_1_4_DOWNMIX = 33,
+
   // Max value, must always equal the largest entry ever logged.
-  CEF_CHANNEL_LAYOUT_MAX = CEF_CHANNEL_LAYOUT_BITSTREAM
+  CEF_CHANNEL_LAYOUT_MAX = CEF_CHANNEL_LAYOUT_5_1_4_DOWNMIX
 } cef_channel_layout_t;
 
 ///