Revert of Make GM default to reseting gpu contexts on android. (patchset #1 id:1 of https://codereview.chromium.org/635293003/)

Reason for revert:
Crashing on Galaxy Nexus (probably tickled an existing skia or driver bug)

Original issue's description:
> Make GM default to reseting gpu contexts on android.
>
> TBR=mtklein@google.com
>
> Committed: https://skia.googlesource.com/skia/+/8dd35ce178e4319685a870faf544a0b1d7aef5bb

TBR=mtklein@google.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/639773003
Implement C path functions

Mainly just to familiarize myself with this code.

Review URL: https://codereview.chromium.org/633183002
remove dead code from SK_SUPPORT_LEGACY_IMAGECACHE_NAME

TBR=

Review URL: https://codereview.chromium.org/638903002
Delay copying effects from DS or ODS till end of creating ODS

Also delay the removal of fixed function VA's until so we only have to do a single removal step

BUG=skia:

Review URL: https://codereview.chromium.org/634073002
fix android framework build errors

Review URL: https://codereview.chromium.org/637953002