Add subdir under frameworks/base for code ported from icu4j.
Add subdir under frameworks/base for code ported from icu4j.

Change-Id: I6c9fa6dac1f80bbaf8c80b9e0900f4e628ff596f

xorware/android_build,xorware/android_build,ND-3500/platform_manifest,xorware/android_build,RR-msm7x30/platform_manifest,knone1/platform_manifest,pranav01/platform_manifest,see4ri/lolili,Hybrid-Power/startsync,xorware/android_build,fallouttester/platform_manifest,hagar006/platform_manifest,xorware/android_build