Fix typos in IOmxStore.hal

Test: make cts -j123 && cts-tradefed run cts-dev -m \
CtsMediaTestCases --compatibility:module-arg \
CtsMediaTestCases:include-annotation:\
android.platform.test.annotations.RequiresDevice

Bug: 65719609
Bug: 65769027
Change-Id: I44d62cd5a8aa21d9fa816d5f0bf663e943a21bb5
2 files changed