Update layoutlib_api-prebuilt from 1.3 RC4. [DO NOT MERGE]

Includes the new DPI constant. (and other API 15 stuff)

Origin

tools/base @ 2a761beb9b60acc57968555169a30200843e5e26

Change-Id: I84e91bed7f58769526f3315c58d2cfcafaf92edf
(cherry picked from commit c2e96225c24e71f36deede4ac9ed555520603814)
3 files changed