Make libjpeg built against NDK

Change-Id: I2570cfe1360af6eb0dcbb14bcc70f1dc6f2b5fe0
Add static library target.

Change-Id: Ibd4dcf7aa46c4198d7baeecf19fd330e647abe6d
am 14d8fa03: Merge "[MIPS] Inverse DCT optimizations"

* commit '14d8fa0373cc75eea1bd8413b7757b918a4ff3c7':
  [MIPS] Inverse DCT optimizations
Merge https://android.googlesource.com/platform/external/jpeg into jb-devel

Conflicts:
	Android.mk