Equalizer: Check value size for get preset name

FPIIM-1486

Test: see CTS testAllEffectsEqualizer_CVE_2017_0401
Bug: 37536407
Change-Id: Ifa515dea10c9293022b7d0971d097f0bd727ac6c
(cherry picked from commit 8cf151a63177247a370ecdef6f2e1ec0b80901d5)
1 file changed