fix(ivy): enable packages/core/test/render3 test for AoT (#26863)

PR Close #26863

packages/private/testing/BUILD.bazel

@@ -15,3 +15,17 @@ ng_module(
         "//packages/core",
     ],
 )
+
+## Controls if Ivy is enabled. (Temporary target until we permanently switch over to Ivy)
+##
+## This file generates `src/bazel_define_compile_value.ts` file which reexports 
+## `--define=compile` value as `bazelDefineCompileValue` symbols so that runtime can detect
+## which mode it is running in.
+##
+## See: `//.bazelrc` where `--define=ivy=legacy` is defined as default.
+## See: `./src/bazel_define_compile_value.ts` for more details.
+genrule(
+    name = "bazel_define_compile_value",
+    outs = ["src/bazel_define_compile_value.ts"],
+    cmd = "echo export const bazelDefineCompileValue = \"'$(compile)'\"\; > $@",
+)

packages/private/testing/index.ts

@@ -7,3 +7,4 @@
  */
 
 export * from './src/render3';
+export * from './src/fixme';