Update tsan suppression for uprv_{malloc,realloc}

Update tsan suppression for uprv_{malloc,realloc}

With ICU 54, the function name suffix has to be 54 instead 52.

BUG=223352, 428145
TEST=Tsan bot does not complain about a data race in icu/source/common/cmemory.c
TBR=jyasskin
NOTRY=true

Committed: https://crrev.com/a10ee9af8cd5ce1cde97ce64997e8b1c88c9704f
Cr-Commit-Position: refs/heads/master@{#317396}

[jungshik at Google, 2015-02-20 20:50:23]

jshin@chromium.org changed reviewers:
+ jyasskin@chromium.org

[jungshik at Google, 2015-02-20 20:52:34]

The CQ bit was checked by jshin@chromium.org

[commit-bot: I haz the power, 2015-02-20 20:54:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/946683003/1

[commit-bot: I haz the power, 2015-02-20 20:54:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-20 20:55:25]

Patchset 1 (id:??) landed as
https://crrev.com/a10ee9af8cd5ce1cde97ce64997e8b1c88c9704f
Cr-Commit-Position: refs/heads/master@{#317396}