Merge upstream 0.165 SHA '203f0a3e'

* git merge 203f0a3e
* See all upstream changes since the previous merge
  in branch aosp/upstream-master:
    git diff 9d1e2365..203f0a3e
* Android relevant upstream changes:
  * Version number changed from 0.164 to 0.165
  * libelf now depends on zlib
* Changed version number in generated files:
    version.h, config.h
* No change to generated files:
    libdw/known-dwarf.h
* Updated libelf/Android.mk:
  * added new source files:
     gelf_getchdr.c elf{32,64}_getchdr.c elf_compress.c
  * added LOCAL_STATIC_LIBRARIES := libz

Change-Id: Ieb306d84ffcaf680ad6e74da28fcc8efbf00592a