dashboard: add Zenly's virtual iOS builders

Fixes golang/go#31722

Change-Id: Ia7f0d3f2e1a25000c42a10ff58d7e91d384b1219
Reviewed-on: https://go-review.googlesource.com/c/build/+/174797
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

dashboard/builders.go

@@ -516,6 +516,15 @@ var Hosts = map[string]*HostConfig{
 			"GOHOSTARCH=amd64",
 		},
 	},
+	"host-darwin-arm64-corellium-ios": &HostConfig{
+		Notes:       "Virtual iOS devices hosted by Zenly on Corellium",
+		OwnerGithub: "znly",
+		IsReverse:   true,
+		ExpectNum:   3,
+		env: []string{
+			"GOROOT_BOOTSTRAP=/var/mobile/go-darwin-arm64-bootstrap",
+		},
+	},
 	"host-aix-ppc64-osuosl": &HostConfig{
 		Notes:       "AIX 7.2 VM on OSU; run by Tony Reix",
 		OwnerGithub: "trex58",
@@ -1927,6 +1936,14 @@ func init() {
 			"GOIOS_DEVICE_ID=5ec20fafe317e1c8ff51efc6d508cf19808474a2",
 		},
 	})
+	addBuilder(BuildConfig{
+		Name:     "darwin-arm64-corellium",
+		HostType: "host-darwin-arm64-corellium-ios",
+		Notes:    "Virtual iPhone SE running on Corellium; owned by zenly",
+		buildsRepo: func(repo, branch, goBranch string) bool {
+			return repo == "go" && branch == "master" && goBranch == "master"
+		},
+	})
 	addBuilder(BuildConfig{
 		Name:     "darwin-amd64-wikofever",
 		HostType: "host-darwin-amd64-eliasnaur-android",

dashboard/builders_test.go

@@ -368,6 +368,9 @@ func TestBuilderConfig(t *testing.T) {
 		{b("android-arm64-wikofever", "mobile"), notBuilder},
 		{b("android-arm64-wikofever", "net"), notBuilder},
 
+		// Virtual iOS devices
+		{b("darwin-arm64-corellium", "go"), isBuilder},
+
 		// A GOOS=darwin variant of the physical ARM Androids
 		// runs x/mobile and nothing else:
 		{b("darwin-amd64-wikofever", "mobile"), isBuilder},