Revert "retry absl"

This reverts commit 1d256d66ec7d4274bccde12076cf0207475e1f3b.

Reason for revert: Build-Debian10-Clang-arm64-Debug-Android_ASAN can't find <cxxabi.h>.

Original change's description:
> retry absl
> 
> This time around, cut the absl deps down to just what's
> needed to compile, link, and run AbseilTest.cpp.
> 
> Add basic absl::btree_map test.
> 
> Bug: skia:10165
> Cq-Include-Trybots: skia/skia.primary:Build-Debian10-Clang-arm-Debug-Chromebook_GLES;skia/skia.primary:Test-Mac10.13-Clang-MacBookPro11.5-CPU-AVX2-x86_64-Release-All-TSAN
> Change-Id: I53d632a04cba8dadd484b2c4d0ceefb314676486
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/286070
> Reviewed-by: John Stiles <johnstiles@google.com>
> Commit-Queue: Mike Klein <mtklein@google.com>

TBR=mtklein@google.com,johnstiles@google.com

Change-Id: I2465ed155f7311c6ca35259ea1bf1b610020a66d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:10165
Cq-Include-Trybots: skia/skia.primary:Build-Debian10-Clang-arm-Debug-Chromebook_GLES;skia/skia.primary:Test-Mac10.13-Clang-MacBookPro11.5-CPU-AVX2-x86_64-Release-All-TSAN
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/286477
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
5 files changed