Turn on FontMgr for Android

Turn on FontMgr for Android

Minimal change for activating the SkFontMgr on Android, broken out
of http://crrev.com/445143002/.

BUG=chromium:400801
R=bungeman@google.com,djsollen@google.com

Committed: https://skia.googlesource.com/skia/+/8e69676bf559b9f3105f9107136ec93dfb124e80

[tomhudson, 2014-08-12 15:15:19]

No new failures in dm on my desktop when we turn on the FontMgr. Kicking off
more tries.

(I see the following fail in master as well as my branch on a Nexus 4:

D/skia    (10760): Failures:
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_default-nobbh
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_default-rtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_default-quadtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_default-tilegrid
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_skrecord-nobbh
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_skrecord-rtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_skrecord-quadtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_565_skrecord-tilegrid
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_default-nobbh
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_default-rtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_default-quadtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_default-tilegrid
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_skrecord-nobbh
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_skrecord-rtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_skrecord-quadtree
D/skia    (10760):   giantbitmap_repeat_bilerp_scale_8888_skrecord-tilegrid)

[bungeman-skia, 2014-08-12 17:45:50]

lgtm

[tomhudson, 2014-08-12 17:45:59]

The CQ bit was checked by tomhudson@google.com

[commit-bot: I haz the power, 2014-08-12 17:46:17]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/tomhudson@chromium.org/462073002/1

[mtklein, 2014-08-12 17:51:38]

On 2014/08/12 17:46:17, I haz the power (commit-bot) wrote:
> CQ is trying da patch. Follow status at
>  https://skia-tree-status.appspot.com/cq/tomhudson@chromium.org/462073002/1

(We skip giantbitmap on all Android bots because it often runs them out of
memory.  Failures there are not expected, but also not unexpected given that
we're not testing it.)

[commit-bot: I haz the power, 2014-08-12 17:55:15]

Change committed as 8e69676bf559b9f3105f9107136ec93dfb124e80