Add missing artifact to the android_arm64_profile config. (flutter#42858

)

The generation and archiving of this artifact was missed during the engine v2 migration.

Bug: flutter/flutter#128907

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style

ci/builders/linux_android_aot_engine.json

@@ -121,6 +121,7 @@
                     "include_paths": [
                         "out/android_profile_arm64/zip_archives/android-arm64-profile/artifacts.zip",
                         "out/android_profile_arm64/zip_archives/android-arm64-profile/linux-x64.zip",
+                        "out/android_profile_arm64/zip_archives/android-arm64-profile/symbols.zip",
                         "out/android_profile_arm64/zip_archives/android-arm64-profile/analyze-snapshot-linux-x64.zip",
                         "out/android_profile_arm64/zip_archives/download.flutter.io"
                     ],