Bump to API 17; add support for xxhdpi density; add support for BGRA_8888 courtesy of Lawrence D'Oliveiro (https://github.com/ldo/screeninfo_android)
Add xxhdpi file for Nexus 10 spiffiness (see: https://plus.google.com/118292708268361843293/posts/ePQya3KsTjW )
merge changes from upstream: bump to API 17
merge change from upstream: Add xxhdpi file for Nexus 10 spiffiness (see: https://plus.google.com/118292708268361843293/posts/ePQya3KsTjW )