Also package xhdpi res in the SDK image.
Also package xhdpi res in the SDK image.

Change-Id: I39977f70b63353d1d61bbbef6207973ba2876ff9

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