Update flex

* Updated Linux from: curl https://android.googlesource.com/platform/prebuilts/build-tools/+/959ea284c41b1be5283f9eca421f1124c1ff5100/linux-x86/bin/flex?format=TEXT | base64 -d > linux-x86/flex/flex-2.5.39
* Update Darwin from: curl https://android.googlesource.com/platform/prebuilts/build-tools/+/959ea284c41b1be5283f9eca421f1124c1ff5100/darwin-x86/bin/flex?format=TEXT | base64 -d > darwin-x86/flex/flex-2.5.39

Change-Id: I8ba5038b0fe7e1d03d000fdbe39931aa332c18d2
2 files changed