Reject .so files with no sysv hash table.

Also ensure that dlopen(3) errors always include the name of the library we
failed to open.

Also fix a bug where we'd fall back to searching LD_LIBRARY_PATH and the
built-in paths for names that include slashes.

Bug: http://code.google.com/p/android/issues/detail?id=38479
Change-Id: Ib2c009ed083344a7a012749d58f8679db2f26c78
4 files changed