Remove nonexistent $ANDROID_QTOOLS from $PATH.

Bug: 15983070
Change-Id: Id3807a6dabd616ae06aafc2b894c1858e4400e26
diff --git a/envsetup.sh b/envsetup.sh
index fcf1b26..34b52e5 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -168,9 +168,8 @@
             ;;
     esac
 
-    export ANDROID_QTOOLS=$T/development/emulator/qtools
     export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools
-    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
+    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
 
     # If prebuilts/android-emulator/<system>/ exists, prepend it to our PATH
     # to ensure that the corresponding 'emulator' binaries are used.