fix(ci): install Rust Android toolchain

.gitea/workflows/pixel10.yml

@@ -59,6 +59,11 @@ jobs:
         with:
           go-version: 1.25.x
 
+      - name: Set up Rust Android toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: aarch64-linux-android
+
       - uses: actions/setup-node@v4
         with:
           node-version: "20"
@@ -93,9 +98,13 @@ jobs:
           yes | sdkmanager --channel=3 --install \
             "platforms;android-24" \
             "platforms;android-$android_platform" \
+            "build-tools;36.0.0" \
+            "cmake;3.22.1" \
             "ndk;$ndk_version" || test "${PIPESTATUS[1]}" -eq 0
           test -f "$ANDROID_HOME/platforms/android-24/android.jar"
           test -f "$ANDROID_HOME/platforms/android-$android_platform/android.jar"
+          test -f "$ANDROID_HOME/build-tools/36.0.0/aapt2"
+          test -x "$ANDROID_HOME/cmake/3.22.1/bin/cmake"
           test -f "$ANDROID_HOME/ndk/$ndk_version/source.properties"
           {
             echo "ANDROID_NDK_HOME=$ANDROID_HOME/ndk/$ndk_version"
@@ -130,7 +139,9 @@ jobs:
         env:
           SING_BOX_SOURCE: ${{ runner.temp }}/sing-box
           IPTPROXY_SOURCE: ${{ runner.temp }}/IPtProxy
-        run: melos run build-go-runtime --no-select
+        # Go writes verbose compiler progress to stderr. Gitea's act runner
+        # otherwise labels every one of those harmless lines as "ERROR".
+        run: melos run build-go-runtime --no-select 2>&1
 
       - name: Build and verify Pixel 10 APK
         env: