[Win] Add per-frame-qp support for HEVC encoding

Make sure https://www.w3.org/TR/webcodecs-hevc-codec-registration/ is
implemented on Windows.

Bug: 40242198
Change-Id: I0e4dbbd407de53716ce92324d14dce1d3bf2b544
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6177205
Commit-Queue: Jianlin Qiu <[email protected]>
Reviewed-by: Eugene Zemtsov <[email protected]>
Reviewed-by: Brian Sheedy <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1407094}

Author: taste1981

webcodecs/per-frame-qp-encoding.https.any.js

@@ -10,7 +10,8 @@ function get_config() {
     '?vp8': {codec: 'vp8'},
     '?vp9_p0': {codec: 'vp09.00.10.08'},
     '?vp9_p2': {codec: 'vp09.02.10.10'},
-    '?h264': {codec: 'avc1.42001E', avc: {format: 'annexb'}}
+    '?h264': {codec: 'avc1.42001E', avc: {format: 'annexb'}},
+    '?h265': {codec: 'hev1.1.6.L93.90', hev: {format: 'annexb'}}
   }[location.search];
   config.width = 320;
   config.height = 200;
@@ -30,6 +31,8 @@ function get_qp_range() {
       return {min: 1, max: 63};
     case '?h264':
       return {min: 1, max: 51};
+    case '?h265':
+      return {min: 1, max: 51};
   }
   return null;
 }
@@ -48,6 +51,8 @@ function set_qp(options, value) {
     case '?h264':
       options.avc = {quantizer: value};
       return;
+    case '?h265':
+      options.hevc = {quantizer: value};
   }
 }