Add Development/scripts to path.

Adding a script to there and people thought it would be nice if it were
available/in seach path.

bug:4208971
Change-Id: I58475f5f0149cec2485dc5bc787b5fb3cc68ba0a
diff --git a/envsetup.sh b/envsetup.sh
index dee328a..8b7eea9 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -148,7 +148,8 @@
 
     export ANDROID_TOOLCHAIN=$ANDROID_EABI_TOOLCHAIN
     export ANDROID_QTOOLS=$T/development/emulator/qtools
-    export ANDROID_BUILD_PATHS=:$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ARM_EABI_TOOLCHAIN$CODE_REVIEWS
+    export ANDROID_DEV_SCRIPTS=$T/development/scripts
+    export ANDROID_BUILD_PATHS=:$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ARM_EABI_TOOLCHAIN$CODE_REVIEWS:$ANDROID_DEV_SCRIPTS
     export PATH=$PATH$ANDROID_BUILD_PATHS
 
     unset ANDROID_JAVA_TOOLCHAIN