Replace all _LOG error calls with ALOGE.

The debuggerd code sometimes calls _LOG(..., logtype::ERROR, ...)
and sometimes ALOGE(). Standardize on ALOGE since the _LOG message
will wind up in the tombstone in weird places, but using ALOGE
will wind up in the logcat portion of the tombstone.

Bug: 21467089
Change-Id: Ie893f5e91d45b48ef3f5864c3a714e60ac848fb3
diff --git a/debuggerd/mips64/machine.cpp b/debuggerd/mips64/machine.cpp
index 293dcf6..0a8d532 100644
--- a/debuggerd/mips64/machine.cpp
+++ b/debuggerd/mips64/machine.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "DEBUG"
+
 #include <errno.h>
 #include <inttypes.h>
 #include <stdint.h>
@@ -21,6 +23,7 @@
 #include <sys/ptrace.h>
 
 #include <backtrace/Backtrace.h>
+#include <log/log.h>
 
 #include "machine.h"
 #include "utility.h"
@@ -32,7 +35,7 @@
 void dump_memory_and_code(log_t* log, Backtrace* backtrace) {
   pt_regs r;
   if (ptrace(PTRACE_GETREGS, backtrace->Tid(), 0, &r)) {
-    _LOG(log, logtype::ERROR, "cannot get registers: %s\n", strerror(errno));
+    ALOGE("cannot get registers: %s\n", strerror(errno));
     return;
   }
 
@@ -61,7 +64,7 @@
 void dump_registers(log_t* log, pid_t tid) {
   pt_regs r;
   if(ptrace(PTRACE_GETREGS, tid, 0, &r)) {
-    _LOG(log, logtype::ERROR, "cannot get registers: %s\n", strerror(errno));
+    ALOGE("cannot get registers: %s\n", strerror(errno));
     return;
   }