example_util: add ExUtilDecodeWebPIncremental

simplifies ExUtilDecodeWebP() call

Change-Id: I33b42ec1c398b9fc0a895ad9deb89ab01a33b3da
dec_neon: make WORK_AROUND_GCC conditional on version

Change-Id: Ic1b95f8749988de90df7c1ff6c537a21981329db
Merge "example_util: add ExUtilDecodeWebPIncremental"
dec_neon: use positive tests for USE_INTRINSICS

makes Simple* layout consistent with the rest of the file

Change-Id: Ib3108b0f2c694c634210e22027c253ea6236a9c6
dec_neon: enable intrinsics-only functions

the complex loop filter has no inline equivalent; the simple loop filter
remains conditional on USE_INTRINSICS: it's left undefined for now.

Change-Id: I4f258e10458df53a7a1819707c8f46b450e9d9d2
dec_neon: relocate some inline-asm defines

move simple loop filter defines closer to their use and LOAD* to a
location common with the intrinsics

Change-Id: Iaec506d27bbc9a01be20936e30b68a4b0e690ee3