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
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

Conflicts:
	opcontrol/opcontrol.cpp
gcc-4.7 update

Change-Id: Ib446a594decfcc449bc25fb7df42b98b24d181c5
libpp: include config.h before bfd.h in symbol.h (synergye)

Change-Id: Ic9092a45842a0c9d6725c9dafcfe8195d234d4db
libutil++: PR 14072 compatibility (synergye)

Change-Id: I516b8cd2160b4cdcb03c4bba955e63bc1c2d41a4
opcontrol: fix isoc++11 compatibility (synergye)

Change-Id: Ib26a57ee7151001a61e0ae474875b2e4666db699