Updated OpenFST version to openfst-1.3.2-CL32004048 from Greco3.

Change-Id: I19b0db718256b35c0e3e5a7315f1ed6335e6dcac
Switch to gnustl with rtti

Required for compiling with greco3 code.
Added -gnustl-rtti suffix to distinguish from stlport libs
Reverted changes added for stlport.

Bug: 7484202
Change-Id: Ib69db7117821f97133cadaae0f45b4e8ed2fda01
Bumped OpenFST implementation to openfst-1.3.3-CL41851770.

Updated OpenFST implementation to the most recent version
used by Greco3 (corresponds to nlp::fst exported at Perforce
CL 41851770).

In particular this version has an improved PDT support.

Change-Id: I5aadfc962297eef73922c67e7d57866f11ee7d81
Merge remote-tracking branch 'goog/ics-ub-google-tts' into jb-mr2-dev
Merge tag 'android-4.3_r2.1' into jellybean-mr2.1

Android 4.3 release 2.1