feat: autogen GH workflows and split build, test, and publish (#971)

Closes https://github.com/ooni/probe/issues/2337.

GHGEN/android.go

@@ -0,0 +1,61 @@
+package main
+
+//
+// Generates Android workflow.
+//
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/ooni/probe-cli/v3/internal/runtimex"
+)
+
+func buildAndPublishMobileAndroid(w io.Writer, job *Job) {
+	runtimex.Assert(len(job.ArchsMatrix) <= 0, "expected no architecture matrix")
+
+	buildJob := "build_android_mobile"
+	artifacts := []string{
+		"./MOBILE/android/oonimkall.aar",
+		"./MOBILE/android/oonimkall-sources.jar",
+		"./MOBILE/android/oonimkall.pom",
+	}
+	publishJob := "publish_android_mobile"
+
+	newJob(w, buildJob, runsOnUbuntu, noDependencies, noPermissions)
+	newStepCheckout(w)
+	newStepSetupGo(w, "android-oonimkall")
+	newStepSetupPsiphon(w)
+	newStepMake(w, "MOBILE/android")
+	newStepUploadArtifacts(w, artifacts)
+
+	newJob(w, publishJob, runsOnUbuntu, buildJob, contentsWritePermissions)
+	newStepCheckout(w)
+	newStepDownloadArtifacts(w, artifacts)
+	newStepGHPublish(w, artifacts)
+}
+
+func buildAndPublishCLIAndroid(w io.Writer, job *Job) {
+	runtimex.Assert(len(job.ArchsMatrix) > 0, "expected architecture matrix")
+
+	for _, arch := range job.ArchsMatrix {
+		buildJob := fmt.Sprintf("build_android_cli_%s", arch)
+		artifacts := []string{
+			fmt.Sprintf("./CLI/miniooni-android-%s", arch),
+			fmt.Sprintf("./CLI/ooniprobe-android-%s", arch),
+		}
+		publishJob := fmt.Sprintf("publish_android_cli_%s", arch)
+
+		newJob(w, buildJob, runsOnUbuntu, noDependencies, noPermissions)
+		newStepCheckout(w)
+		newStepSetupGo(w, fmt.Sprintf("android-cli-%s", arch))
+		newStepSetupPsiphon(w)
+		newStepMake(w, fmt.Sprintf("CLI/android-%s", arch))
+		newStepUploadArtifacts(w, artifacts)
+
+		newJob(w, publishJob, runsOnUbuntu, buildJob, contentsWritePermissions)
+		newStepCheckout(w)
+		newStepDownloadArtifacts(w, artifacts)
+		newStepGHPublish(w, artifacts)
+	}
+}