Correctly outputs CodePushHash.json to custom folder

[comigor]

Remove assetsDir variable, as generateBundledResourcesHash.js should output CodePushHash.json to jsBundleDir${targetName} folder, and not the hardcoded $buildDir/intermediates/assets/${targetPath} one.

[msftclas]

Hi @Igor1201, I'm your friendly neighborhood Microsoft Pull Request Bot (You can call me MSBOT). Thanks for your contribution!

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[richardhuaaa]

@Igor1201: Apologies if my understanding is weak here - we can override where it is written to, but won't it still be read from the same location?

[comigor]

@Silhouettes yeah, once the app is built, it will be read from the same location (the assets folder inside the app), but my change was to set the folder in which the CodePushHash.json is generated before the app itself is built.

In my knowledge, we should fallback both paths to their default locations (build/intermediates/assets and build/intermediates/resources) but they should be overridable by the react config vars (resourcesDirDebug, resourcesDirRelease, jsBundleDirDebug and jsBundleDirRelease), exactly the way we're handling resourcesDir right now.

[richardhuaaa]

Okay - looks good, and thanks for the contribution!