Point to gcc 4.6

Change-Id: I2bd6554f3636f6701d73d60d616ffc0cc480687d
Merge "Point to gcc 4.6"
am 0c328eae: Merge "Point to gcc 4.6"

* commit '0c328eae6ea431cc7014502403830ae2b5bc1210':
  Point to gcc 4.6
Add -ldl for opannotate, oparchive, etc, in pp/Android.mk

The new libbfd.a is compiled with plugin enabled.  The plugin.o in
it need dlopen, dlsym, etc

Change-Id: I63912ddc151fe3f6a34274e6200db6e7a16c910d
Merge "Add -ldl for opannotate, oparchive, etc, in pp/Android.mk"
Fix various problems in opcontrol

Support multiple CPU types in opcontrol
Use access(2) instead of opening files where possible
Mount /dev/oprofile at startup
Disable oprofiled when resetting current data session

Change-Id: Ifd0ff2a50c9229af01249aefd5cd9dce00c58bf4
Merge "Fix various problems in opcontrol"
Merge branch 'master' of https://android.googlesource.com/platform/external/oprofile into sm-jb-mr1