More SMP fixes.

Convert some ANDROID_MEMBAR_FULL uses into equivalent atomic ops.  A
couple of "bool" had to convert to "int" since we don't have atomic
ops for bools.

Replaced a local implementation of atomic inc with a call to the
atomic inc function.

Change-Id: I948b8080d743552bde014d3a6e716ed2c30ebef8
11 files changed