gn2bp: Set the output name for libcronet.so

.so file name needs to match with CronetLibraryLoader.java
(e.g. libcronet.109.0.5386.0.so)

Test: m, atest CtsCronetTestCases
Change-Id: I82285c32e82fc27ba5233e1bef7195ec57c35bea
3 files changed