feat(drive-abci): gate shielded-pool seeding behind shielded_test_data feature

.cargo/config-shielded-test-data.toml

@@ -0,0 +1,38 @@
+[target.aarch64-unknown-linux-musl]
+rustflags = ["-C", "target-feature=-crt-static"]
+
+[target.x86_64-unknown-linux-musl]
+rustflags = [
+    "-C",
+    "target-feature=-crt-static",
+    "-C",
+    "target-cpu=x86-64",
+]
+
+[target.x86_64-unknown-linux-gnu]
+rustflags = [
+    "-C",
+    "target-feature=-crt-static",
+    "-C",
+    "target-cpu=x86-64",
+]
+
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"
+
+[target.wasm32-unknown-unknown]
+rustflags = ['--cfg', 'getrandom_backend="wasm_js"']
+
+# Activates BOTH the base SDK test-data gate and the shielded-pool seeding /
+# snapshot-bake gate. Selected in the Dockerfile when `SHIELDED_TEST_DATA=true`
+# (which implies SDK_TEST_DATA, since shielded fixtures are seeded inside
+# `create_sdk_test_data`).
+[target.'cfg(all())']
+rustflags = [
+    "--cfg",
+    "tokio_unstable",
+    '--cfg',
+    'create_sdk_test_data',
+    '--cfg',
+    'create_shielded_test_data',
+]