Sync upstream to r102410.
Re-turn on sdk.
Change-Id: I91a890863989a67243b4d2dfd1ae09b843ebaeaf
branch_to_sub issue resolved.
turn off sdk.
Change-Id: I1a6def700a2333ca8612138dadb610180d3dcbf3
Fix the sim-eng build.
Change-Id: I3e7262220c92b9973da909d94ed3cff59ffc9294
To Revert "3 main additions:"
This reverts commit
c607bd10b0d22c73657e5059c21d7433a01fbf7d.
Check in LLVM r95781.