Don't manually link stlport.

Change-Id: Idd08e7ea5a2ebd0fc6be3e94d71382d93a3f8495
Merge "Don't manually link stlport."
NativeHelper: Switch to Clang

Bug: 16404669

(cherry picked from commit b05d350ba042e911c69bfa92cb31dbdf6fd5fdef)

Change-Id: I7bf7745684747bad8564f168d0def71878566e8c
Merge "NativeHelper: Switch to Clang"