Update gdbclient for x86 target

Check the Target Architecture to choose the correct
version of the gdb client.

Change-Id: I1d75df235a18e60c6a7142a95c93b0fce69ee736
Signed-off-by: Mark D Horn <mark.d.horn@intel.com>
diff --git a/envsetup.sh b/envsetup.sh
index bab2d25..e7fbcb4 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -115,7 +115,12 @@
 
     # The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it.
     export ANDROID_EABI_TOOLCHAIN=
-    toolchaindir=toolchain/arm-linux-androideabi-4.4.x/bin
+    case $(get_build_var TARGET_ARCH) in
+        x86) toolchaindir=toolchain/i686-android-linux-4.4.3/bin
+            ;;
+        arm|*) toolchaindir=toolchain/arm-linux-androideabi-4.4.x/bin
+            ;;
+    esac
     if [ -d "$prebuiltdir/$toolchaindir" ]; then
         export ANDROID_EABI_TOOLCHAIN=$prebuiltdir/$toolchaindir
     fi
@@ -744,7 +749,7 @@
        echo >>"$OUT_ROOT/gdbclient.cmds" "target remote $PORT"
        echo >>"$OUT_ROOT/gdbclient.cmds" ""
 
-       arm-linux-androideabi-gdb -x "$OUT_ROOT/gdbclient.cmds" "$OUT_EXE_SYMBOLS/$EXE"
+       $ANDROID_EABI_TOOLCHAIN/*-gdb -x "$OUT_ROOT/gdbclient.cmds" "$OUT_EXE_SYMBOLS/$EXE"
   else
        echo "Unable to determine build system output dir."
    fi