Configure ICU4C without relying on build-time flags

The presence of the build-time flags appears to cause ICU4C
to open the .dat file again as a fallback if it fails to
find a config value. This is even though the .dat file is
explicitly mapped using udata_setCommonData().

Bug: 19960867
Bug: 19961406
Change-Id: I2b311747b3dc2a6d3e76169b926c8b45f3a7a0d6
1 file changed