Cleanup embedder API functions for app snapshots.

Cleanup embedder API functions for app snapshots.

 - Rename functions to make correspondence between JIT and AOT app snapshot clearer.
 - Update documentation on assembly output of AOT snapshots.
 - Remove old Dart_PrecompileJIT.

R=asiva@google.com

Committed: https://github.com/dart-lang/sdk/commit/f51d1b229c5f621e5a5132243ba5604f2a5340de

[rmacnak, 2017-01-06 17:38:26]

Description was changed from

==========
Cleanup embedder API functions for app snapshots.

- Rename functions to make correspondence between JIT and AOT app snapshot
clearer.
 - Update documentation on assembly output of AOT snapshots.
 - Remove old Dart_PrecompileJIT.
==========

to

==========
Cleanup embedder API functions for app snapshots.

 - Rename functions to make correspondence between JIT and AOT app snapshot
clearer.
 - Update documentation on assembly output of AOT snapshots.
 - Remove old Dart_PrecompileJIT.
==========

[rmacnak, 2017-01-06 17:39:51]

rmacnak@google.com changed reviewers:
+ asiva@google.com

[siva, 2017-01-12 00:58:13]

lgtm

[rmacnak, 2017-01-12 17:36:27]

Description was changed from

==========
Cleanup embedder API functions for app snapshots.

 - Rename functions to make correspondence between JIT and AOT app snapshot
clearer.
 - Update documentation on assembly output of AOT snapshots.
 - Remove old Dart_PrecompileJIT.
==========

to

==========
Cleanup embedder API functions for app snapshots.

 - Rename functions to make correspondence between JIT and AOT app snapshot
clearer.
 - Update documentation on assembly output of AOT snapshots.
 - Remove old Dart_PrecompileJIT.

R=asiva@google.com

Committed:
https://github.com/dart-lang/sdk/commit/f51d1b229c5f621e5a5132243ba5604f2a5340de
==========

[rmacnak, 2017-01-12 17:36:28]

Committed patchset #2 (id:20001) manually as
f51d1b229c5f621e5a5132243ba5604f2a5340de (presubmit successful).