Bug 1950914: Add a simpleperf NDK toolchain task. r=jcristau

Differential Revision: https://phabricator.services.mozilla.com/D240052

taskcluster/kinds/toolchain/android.yml

@@ -218,6 +218,17 @@ linux64-android-ndk-linux-repack:
         toolchain-artifact: project/gecko/android-ndk/android-ndk.tar.zst
         toolchain-alias: android-ndk-linux
 
+linux64-android-simpleperf-linux-repack:
+    description: "Android Simpleperf NDK (Linux) repack toolchain build"
+    treeherder:
+        symbol: TL(android-simpleperf-linux)
+    run:
+        script: repack-android-simpleperf-linux.sh
+        resources:
+            - 'python/mozboot/**/*android*'
+        toolchain-artifact: project/gecko/android-simpleperf/android-simpleperf.tar.zst
+        toolchain-alias: android-simpleperf-linux
+
 linux64-android-gradle-dependencies:
     description: "Android Gradle dependencies toolchain task"
     treeherder:

taskcluster/scripts/misc/repack-android-simpleperf-linux.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -x -e -v
+
+# This script is for fetching and repacking the Android Simpleperf NDK (for
+# Linux), the tool required to profile Android applications.
+
+mkdir -p $UPLOAD_DIR
+
+# Populate /builds/worker/.mozbuild/android-ndk-$VER.
+cd $GECKO_PATH
+./mach python python/mozboot/mozboot/android.py --ndk-only --no-interactive
+
+mv $HOME/.mozbuild/android-ndk-*/simpleperf $HOME/.mozbuild/android-simpleperf
+tar cavf $UPLOAD_DIR/android-simpleperf.tar.zst -C /builds/worker/.mozbuild android-simpleperf
+
+ls -al $UPLOAD_DIR