ozone: evdev: Fix printf format string issues on 32-bit

ozone: evdev: Fix printf format string issues on 32-bit

Fix some erroneous format strings on 32-bit builds. These trigger
warnings in the build.

BUG=none
TEST=cros chrome-sdk --board=x86-alex_freon
  gclient runhooks
  ninja -C out_x86-alex_freon/Release chrome events_unittests

Committed: https://crrev.com/b3a8bb872deb32a0273e5761e16b0ecb2061ab64
Cr-Commit-Position: refs/heads/master@{#336230}

[spang, 2015-06-25 19:24:54]

spang@chromium.org changed reviewers:
+ kpschoedel@chromium.org

[kpschoedel, 2015-06-25 19:27:58]

lgtm

[spang, 2015-06-25 19:29:24]

The CQ bit was checked by spang@chromium.org

[commit-bot: I haz the power, 2015-06-25 19:30:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1210203002/1

[commit-bot: I haz the power, 2015-06-25 19:39:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-25 19:41:14]

Patchset 1 (id:??) landed as
https://crrev.com/b3a8bb872deb32a0273e5761e16b0ecb2061ab64
Cr-Commit-Position: refs/heads/master@{#336230}