[wgsl] Launch subgroup_id

The Intent to Ship has been approved:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/690bc13a.050a0220.293f7.00b9.GAE%40google.com

Fixed: 454654255
Change-Id: I1325c697ff878f78266cd77a5bb16ca94bf345c5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/272454
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>

src/tint/lang/wgsl/feature_status.cc

diff --git a/src/tint/lang/wgsl/feature_status.cc b/src/tint/lang/wgsl/feature_status.cc
index 293facc..1d6abe9 100644
--- a/src/tint/lang/wgsl/feature_status.cc
+++ b/src/tint/lang/wgsl/feature_status.cc
@@ -36,7 +36,6 @@
             ////////////////////////////////////////////////////////////////////
             // Experimental features
             ///////////////////////////////////////////////////////////////////
-        case LanguageFeature::kSubgroupId:
         case LanguageFeature::kSizedBindingArray:
         case LanguageFeature::kTexelBuffers:
         case LanguageFeature::kFragmentDepth:
@@ -56,6 +55,7 @@
         case LanguageFeature::kUnrestrictedPointerParameters:
         case LanguageFeature::kReadonlyAndReadwriteStorageTextures:
         case LanguageFeature::kUniformBufferStandardLayout:
+        case LanguageFeature::kSubgroupId:
             return FeatureStatus::kShippedWithKillswitch;
 
             ////////////////////////////////////////////////////////////////////