Revert "Make HCPP upgrading work for vd/tlhc (#181024)"

[camsim99]

This reverts commits a191754 and 242d4f9 as a fix for b/483943343 and a speculative fix for b/489613062.

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[flutter-dashboard]

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[gemini-code-assist]

Code Review

This pull request reverts a previous commit that introduced a mechanism for upgrading from Virtual Display (VD) or Texture Layer Hybrid Composition (TLHC) to Hybrid Composition++ (HCPP) for Android platform views. The revert removes the logic for dynamically switching the view controller's internal implementation and simplifies related methods in RenderAndroidView and TextureAndroidViewController. Specifically, it removes checks for requiresViewComposition and ensures that TextureAndroidViewController consistently uses a texture-based implementation.

_{Note: Security Review did not run due to the size of the PR.}

[auto-submit]

autosubmit label was removed for flutter/flutter/183310, because - The status or check suite Google testing has failed. Please fix the issues identified (or deflake) before re-applying this label.