Fix conda activate initialization in android release workflow

Co-authored-by: kirklandsign <107070759+kirklandsign@users.noreply.github.com>
Agent-Logs-Url: https://github.com/pytorch/executorch/sessions/02708868-2305-4508-9c1a-c67c2750d475

Author: Copilot

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

@@ -97,6 +97,7 @@ jobs:
           export CMAKE_C_COMPILER_LAUNCHER=sccache
 
           # The generic Linux job chooses to use base env, not the one setup by the image
+          eval "$(conda shell.bash hook)"
           CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")
           conda activate "${CONDA_ENV}"
           PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh --build-tool buck2