liblog: add __android_log_close() am: b1b5d507cb am: f72c9bc42d am: 49d5582f29 am: 1b1b6a4889  -s ours am: 4eb04cb32b am: 38f72ac44a
am: c11b9e1e31

Change-Id: I88d0778c99f77aaf61e20a0b9e7dfef906a61c3a