Auto trigger android release build on tag (#17227)

When a release tag is created, trigger android-release-build.yml

Author: kirklandsign

.github/workflows/android-release-artifacts.yml

@@ -1,6 +1,23 @@
 name: Android Release Artifacts
 
 on:
+  workflow_call:
+    inputs:
+      version:
+        description: Version name to be uploaded for AAR release
+        required: false
+        type: string
+        default: ''
+      upload_to_maven:
+        description: Upload the AAR to maven staging repository
+        required: false
+        type: boolean
+        default: false
+      flavor:
+        description: Build flavor
+        required: false
+        type: string
+        default: 'xnnpack'
   workflow_dispatch:
     inputs:
       version:
@@ -27,26 +44,32 @@ jobs:
     name: check-if-aar-exists
     runs-on: ubuntu-22.04
     timeout-minutes: 10
+    outputs:
+      should-skip: ${{ steps.check.outputs.should-skip }}
     steps:
       - name: Check if this RC version is already in S3
+        id: check
         shell: bash
         run: |
           VERSION="${{ inputs.version }}"
           FLAVOR="${{ inputs.flavor }}"
           if [ -z "$VERSION" ]; then
             echo "No version name specified. Will create a snapshot AAR"
+            echo "should-skip=false" >> $GITHUB_OUTPUT
             exit 0
           fi
           if curl -I "https://ossci-android.s3.amazonaws.com/executorch/release/${VERSION}-${FLAVOR}/executorch.aar" | grep "200 OK"; then
             echo "AAR already exists at https://ossci-android.s3.amazonaws.com/executorch/release/${VERSION}-${FLAVOR}/executorch.aar"
             echo "Will skip build/upload"
-            exit 1
+            echo "should-skip=true" >> $GITHUB_OUTPUT
+          else
+            echo "should-skip=false" >> $GITHUB_OUTPUT
           fi
 
   build-aar:
     name: build-aar
     needs: check-if-aar-exists
-    if: ${{ !github.event.pull_request.head.repo.fork }}
+    if: ${{ !github.event.pull_request.head.repo.fork && needs.check-if-aar-exists.outputs.should-skip != 'true' }}
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
     secrets: inherit
     permissions:

.github/workflows/android-release-on-tag.yml

@@ -0,0 +1,43 @@
+name: Android Release on Tag
+
+on:
+  push:
+    tags:
+      - 'v*.*.*-rc*'
+      - 'v*.*.*'
+
+jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.get-version.outputs.version }}
+    steps:
+      - id: get-version
+        run: echo "version=${GITHUB_REF_NAME#v}" >> $GITHUB_OUTPUT
+
+  release-xnnpack:
+    needs: prepare
+    uses: ./.github/workflows/android-release-artifacts.yml
+    secrets: inherit
+    with:
+      version: ${{ needs.prepare.outputs.version }}
+      flavor: xnnpack
+      upload_to_maven: true
+
+  release-vulkan:
+    needs: prepare
+    uses: ./.github/workflows/android-release-artifacts.yml
+    secrets: inherit
+    with:
+      version: ${{ needs.prepare.outputs.version }}
+      flavor: vulkan
+      upload_to_maven: true
+
+  release-qnn:
+    needs: prepare
+    uses: ./.github/workflows/android-release-artifacts.yml
+    secrets: inherit
+    with:
+      version: ${{ needs.prepare.outputs.version }}
+      flavor: qnn
+      upload_to_maven: true