Revert "Reland "Require mips to be allocated at texture creation time and disable late allocations.""

This reverts commit 9eb36b9eb8e81e970e02fa985ae82fe64de0a8f0.

Reason for revert: Alpha8 isn't renderable on es2 so we end up dropping draws on certain A8 mip requests

Original change's description:
> Reland "Require mips to be allocated at texture creation time and disable late allocations."
> 
> This reverts commit 0c78238e2991c95b6fb3c945d4ad2b5d941ae21b.
> 
> Reason for revert: <INSERT REASONING HERE>
> 
> Original change's description:
> > Revert "Require mips to be allocated at texture creation time and disable late allocations."
> > 
> > This reverts commit cd2c3f9055452d413d6be7ea6dc63fd1922fe994.
> > 
> > Reason for revert: Looks to be causing angle failures on initial clear test
> > 
> > Original change's description:
> > > Require mips to be allocated at texture creation time and disable late allocations.
> > > 
> > > If we get a non-mipped texture for a draw that wants to be use mip map filter, we
> > > will copy the texture into a new mipped texture.
> > > 
> > > Clean up of unused code in the GPU backends for reallocating for mips will be done
> > > in a follow up CL.
> > > 
> > > Bug: skia:
> > > Change-Id: Idab588c1abf4bbbf7eeceb3727d500e5df274188
> > > Reviewed-on: https://skia-review.googlesource.com/132830
> > > Reviewed-by: Brian Salomon <bsalomon@google.com>
> > > Commit-Queue: Greg Daniel <egdaniel@google.com>
> > 
> >
> > 
> > Change-Id: I49f0ace52f2586d61b451630b2e6aae84b420b81
> > No-Presubmit: true
> > No-Tree-Checks: true
> > No-Try: true
> > Bug: skia:
> > Reviewed-on: https://skia-review.googlesource.com/133041
> > Reviewed-by: Greg Daniel <egdaniel@google.com>
> > Commit-Queue: Greg Daniel <egdaniel@google.com>
> 
> Bug: skia:
> Change-Id: I004447a5f1ec72c3be2318ddea803f57efb12ea4
> Reviewed-on: https://skia-review.googlesource.com/133340
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: I9e9718d380c4d9927ec39e46008750ab7396391f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/133680
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
26 files changed