add back hermes inspector support (#33778)

Summary:
the `WITH_INSPECTOR` build flag is missing from cmake migration. original we had it in [Application.mk](https://github.com/facebook/react-native/blob/ed46ea2058b909a2dd401347d68956324961ec2c/ReactAndroid/src/main/jni/Application.mk#L29)

this pr adds back the build flag and make hermes inspector (or debugging hermes in flipper) work again.

## Changelog

[Android] [Fixed] - add back hermes inspector support

Pull Request resolved: #33778

Test Plan: test on rn-tester hermes variant

Reviewed By: cipolleschi

Differential Revision: D36204525

Pulled By: cortinico

fbshipit-source-id: 417874a7d0e05b5ee886f3160d526ff9c2df44ee

ReactAndroid/src/main/jni/react/jni/CMakeLists.txt

@@ -14,7 +14,8 @@ add_compile_options(
         -fexceptions
         -frtti
         -Wno-unused-lambda-capture
-        -std=c++17)
+        -std=c++17
+        -DWITH_INSPECTOR=1)
 
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