Update stubs for libnativehelper

libnativehelper API changes following NDK API review.

Update made with:
android_api/gen_proxy_libraries.py --trampolines --json libnativehelper

(cherry picked from commit 5ab419c99cbc92d330630d5ea3efd0be283b37c1)

Bug: 188067586
Test: TH
Merged-In: I8e44b1d3aef9ad5ac0613f6396df25c0ce6ceed9
Change-Id: I22a09792fc5e0598ad9ad8a042d70f9cc4578790
2 files changed