Disable drd/tests/annotate_trace_memory[_xml].vgtest on arm and ppc.

Workaround for bug #318643. Disable the tests for now so they don't
go into an infinite loop and fill up the disks on arm, ppc32 or ppc64.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13402 a5019735-40e9-0310-863c-91ae7b9d1cf9
Support PTRACE_GET/SET_THREAD_AREA on x86.
BZ#320063.  (Josh Stone, jistone@redhat.com)

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13403 a5019735-40e9-0310-863c-91ae7b9d1cf9
Support Linux kernel AF_BLUETOOTH for bind().

Bug #320116. sockaddr_rc might contain some padding which might not be
initialized. Explicitly check the sockaddr_rc fields are set. That also
produces better diagnostics about which field is unitialized.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13404 a5019735-40e9-0310-863c-91ae7b9d1cf9