refactor: fix dependencies and import paths for strict deps requirements

Author: josephperrott

tests/angular_devkit/schematics/tools/file-system-engine-host/BUILD.bazel

@@ -21,11 +21,9 @@ ts_project(
             "**/*.js",
         ],
     ),
-    # TODO: Fix strict_deps failure
-    ignore_strict_deps = True,
     deps = [
         "//:node_modules/@types/jasmine",
         "//:node_modules/@types/node",
-        "//packages/angular_devkit/schematics:schematics_rjs",
+        "//tests:node_modules/@angular-devkit/schematics",
     ],
 )