Split core/jni/fd_utils-inl.h into a .h/.cpp pair.

(cherry picked from commit 44afe8be8f654192dc436a9c4238a925c22b14bf)

Test: m
Test: sailfish boots

Change-Id: I9ca93f31f6c20b702b2207333a9d56f6592630b0
5 files changed