This reverts commit 162305aace.
Adjusted tests to ensure they pass on cf_x86
Bug: 129250875
Test: this on cf_x86 & blueline
Change-Id: Ic3245ec8db784ae356b7fa66dda9a2fc91c622ea
Replace it with a newer, fancier, WorkQueue-inspired
one that's just a global common thread pool.
Test: hwuiunit passes
Change-Id: Ib5d03104a08bbac9a4ec67a1bfc0db2b35d6700f