jniGetFDFromFileDescriptor() is now a legacy method and moved to a
separate header.
Bug: 151443957
Bug: 158749603
Test: m
Change-Id: Icd06e9a315680c2251dbb9032a904dd6d66aa359
TetheringUtil JNI is too big that it statically linking hidl and its
dependency library. To remove these static libraries, calling hidl in java
directly instead of using JNI.
Bug: 148984662
Test: -build, flash, boot
-manually ON/OFF tethering
Change-Id: Id5a9759eb453fddaf0c3b7a31da17224e35e963e