Add dependencies on jni_headers

Preparation for removing implicit include paths for jni.h from soong.

Bug: 152482542
Test: m checkbuild
Change-Id: I54806e51f2d1715ef1c18b0103a8ec5f6b7a540d
Merged-In: I54806e51f2d1715ef1c18b0103a8ec5f6b7a540d
Exempt-From-Owner-Approval: build clean-up
1 file changed