Fix DDMS lock ordering error.

Renamed kJdwpSerialLock to guard both the jdwp socket and serial.
Moved the lock priority higher than the alloc space lock priority.
This is needed since walking the dlmalloc heap requires acquiring
the alloc space lock.

Change-Id: Idce47ea8c400643829edc5aaebb57f8b686b2853
diff --git a/src/jdwp/jdwp_main.cc b/src/jdwp/jdwp_main.cc
index df74988..3b6dd81 100644
--- a/src/jdwp/jdwp_main.cc
+++ b/src/jdwp/jdwp_main.cc
@@ -36,7 +36,7 @@
  * JdwpNetStateBase class implementation
  */
 JdwpNetStateBase::JdwpNetStateBase(JdwpState* state)
-    : state_(state), socket_lock_("JdwpNetStateBase lock") {
+    : state_(state), socket_lock_("JdwpNetStateBase lock", kJdwpSerialSocketLock) {
   clientSock = -1;
   wake_pipe_[0] = -1;
   wake_pipe_[1] = -1;
@@ -211,7 +211,7 @@
       attach_lock_("JDWP attach lock", kJdwpAttachLock),
       attach_cond_("JDWP attach condition variable", attach_lock_),
       last_activity_time_ms_(0),
-      serial_lock_("JDWP serial lock", kJdwpSerialLock),
+      serial_lock_("JDWP serial lock", kJdwpSerialSocketLock),
       request_serial_(0x10000000),
       event_serial_(0x20000000),
       event_list_lock_("JDWP event list lock", kJdwpEventListLock),
diff --git a/src/locks.h b/src/locks.h
index 202fa02..91437e1 100644
--- a/src/locks.h
+++ b/src/locks.h
@@ -36,9 +36,9 @@
   kUnexpectedSignalLock,
   kThreadSuspendCountLock,
   kAbortLock,
+  kJdwpSerialSocketLock,
   kAllocSpaceLock,
   kDefaultMutexLevel,
-  kJdwpSerialLock,
   kMarkSweepLargeObjectLock,
   kPinTableLock,
   kLoadLibraryLock,