Fix big-endian after '[osr] Increase Code::profiler_ticks to 28 bits.'

Fix big-endian after '[osr] Increase Code::profiler_ticks to 28 bits.'

Several users of kKindSpecificFlags1Offset (aliased as kFullCodeFlags) were
reading/writing bytes -- not endian agnostic.

TEST=mjsunit/debug-setexceptionbreak, mjsunit/debug-mirror-cache, mjsunit/regress/regress-94873, others...
BUG=

Committed: https://crrev.com/5ce700be8a72432c48d89869db7509d21644ca4d
Cr-Commit-Position: refs/heads/master@{#29634}

[paul.l..., 2015-07-14 02:37:43]

The CQ bit was checked by paul.lind@imgtec.com to run a CQ dry run

[commit-bot: I haz the power, 2015-07-14 02:37:58]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1236143002/1

[paul.l..., 2015-07-14 02:51:30]

paul.lind@imgtec.com changed reviewers:
+ bmeurer@chromium.org, dusan.milosavljevic@imgtec.com, mbrandy@us.ibm.com

[paul.l..., 2015-07-14 02:51:31]

PTAL.

[Benedikt Meurer, 2015-07-14 02:52:24]

lgtm

[commit-bot: I haz the power, 2015-07-14 03:29:52]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-07-14 03:29:53]

Dry run: This issue passed the CQ dry run.

[paul.l..., 2015-07-14 03:33:28]

The CQ bit was checked by paul.lind@imgtec.com

[commit-bot: I haz the power, 2015-07-14 03:33:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1236143002/1

[commit-bot: I haz the power, 2015-07-14 03:34:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-14 03:34:57]

Patchset 1 (id:??) landed as
https://crrev.com/5ce700be8a72432c48d89869db7509d21644ca4d
Cr-Commit-Position: refs/heads/master@{#29634}