Fixed running gdb on rooted device

build/android/adb_gdb

Index: build/android/adb_gdb
diff --git a/build/android/adb_gdb b/build/android/adb_gdb
index ec0bb7e59d01558c6998045541bc5eeb6d5272b2..150eb5eba4adee17da7ee376ef9c5b197ab2c853 100755
--- a/build/android/adb_gdb
+++ b/build/android/adb_gdb
@@ -841,7 +841,7 @@ fi
 if [ "$SU_PREFIX" ]; then
   # Need to check that this works properly.
   SU_PREFIX_TEST_LOG=$TMPDIR/su-prefix.log
-  adb_shell $SU_PREFIX echo "foo" > $SU_PREFIX_TEST_LOG 2>&1
+  adb_shell $SU_PREFIX \"echo "foo"\" > $SU_PREFIX_TEST_LOG 2>&1
   if [ $? != 0 -o "$(cat $SU_PREFIX_TEST_LOG)" != "foo" ]; then
     echo "ERROR: Cannot use '$SU_PREFIX' as a valid su prefix:"
     echo "$ adb shell $SU_PREFIX echo foo"
@@ -867,7 +867,7 @@ log "Command prefix: '$COMMAND_PREFIX'"
 if [ "$PULL_LIBS" -a -z "$NO_PULL_LIBS" ]; then
   echo "Extracting system libraries into: $PULL_LIBS_DIR"
   rm -f $PULL_LIBS_DIR/build.prop
-  MAPPINGS=$(adb_shell $COMMAND_PREFIX cat /proc/$PID/maps)
+  MAPPINGS=$(adb_shell $COMMAND_PREFIX \"cat /proc/$PID/maps\")
   if [ $? != 0 ]; then
     echo "ERROR: Could not list process's memory mappings."
     if [ "$SU_PREFIX" ]; then
@@ -944,10 +944,10 @@ host:localhost:$HOST_PORT to device:localhost:$TARGET_PORT!"
 #
 log "Starting gdbserver in the background:"
 GDBSERVER_LOG=$TMPDIR/gdbserver-$TMP_ID.log
-log "adb shell $COMMAND_PREFIX $TARGET_GDBSERVER :$TARGET_PORT \
---attach $PID"
-("$ADB" shell $COMMAND_PREFIX $TARGET_GDBSERVER :$TARGET_PORT \
- --attach $PID > $GDBSERVER_LOG 2>&1) &
+log "adb shell $COMMAND_PREFIX \"$TARGET_GDBSERVER :$TARGET_PORT \
+--attach $PID"\"
+("$ADB" shell $COMMAND_PREFIX \"$TARGET_GDBSERVER :$TARGET_PORT \
+ --attach $PID\" > $GDBSERVER_LOG 2>&1) &
 GDBSERVER_PID=$!
 echo "$GDBSERVER_PID" > $GDBSERVER_PIDFILE
 log "background job pid: $GDBSERVER_PID"