One of the source files here is including <cutils/tztime.h> which itself includes <bionic_time.h>, a private C library header used to define the strftime_tz() extension (which used to be declared in <time.h> but was moved there instead). Add a missing C include path to let our code compile as usual. Change-Id: I6aac2f1d3d15ad182679c81ff3f4febff74eb671