Removes a duplicate application of the new word bigram cost and updates only
the related parameters (those associated with multi-word suggestions).

Note: test results will improve after full optimization.

[Category diff]
+1     357
-1     485
+2      16
-2      20
+3      20
-3      16
+4     198
-4     226
+5     510
-5     443
+6     518
-6     368
+7     394
-7     455

[Weighted category diff]
+1     482
-1     532
+2      22
-2      22
+3      22
-3      22
+4     233
-4     381
+5     578
-5     500
+6     617
-6     498
+7     522
-7     521

Bug: 8633962
Change-Id: I3c3ecc9460e8e03e44925e11b2d4b037a6c3b99e

Example: Be able to gesture dictionary words that start with an upper-case
German umlaut (e.g., Übermensch).

Bug: 8493920
Change-Id: I3253bcd236d34c0af60116e5b41e359f2715bf97

bug: 7873416
bug: 8493920

Change-Id: Ifddb04cad90da71df5d34dd7076850dbcf51fba4

Bug: 7540133
Change-Id: I7eb7b8399746c15452ed2ed5069955e88fb546d3

Bug: 8505668

Change-Id: I07eb785c74c446777524104a3d2b61f0f591a498

Change-Id: I34ff470122aa0f34c66425d2eeae7590187d3074

bug: 8597610

Change-Id: I585c629636a52a1ac45b8cc686bc94427bb601df

Change-Id: I34dc08c14feb9cbc0304c1d0ff06922e3b65819d

Example: Gesture the German word "ueber" and the system will now replace
the transliteration "ue" with the correct u-umlaut.

Bug: 8493920
Change-Id: I03e1d6311b4187b6c7f802d8fef43a50eee12721

This is needed to support for German umlaut handling for both gesture and typing input.

Bug: 8493920

Change-Id: I292e2a4911c54aa5566c38411016a220bb35a1f4

Bug: 8550980
Change-Id: I5e432dea0e025ccea196f80e90a6bf945488e130

TRT: I3b5f3ed07eabc59306a17

Bug: 8505668
Change-Id: I574d25a4e9886c521f013f9a8ffc09cc145fc0fc

This is needed for the traversal algorithm to know which
digraphs (if any) are associated with the current dictionary.

Bug: 8493920

Change-Id: I6ae088b55e50c0c2c7066d045b304c5068e23390

Change-Id: Iff6f363894f01a4c30c795fe88892c2bb8e0a856

Change-Id: Ic93d39e230170cfc9f5be6d81d42006e1a61e347

Change-Id: I0b3900e0a205b6925ab9a2be55d375f6b14c803c

Change-Id: Ibe334a1d3ab3af69acfa64412c80f0ea24cd2c46

Add a new DigraphUtils class to manage digraph handling for both
gesture and typing input.

Bug: 8493920
Change-Id: I3a509e1311b9039653f9f488d3c28bb54205f416

Also, only apply -Winline with GCC 4.6. There are some copy constructors
that GCC 4.7/4.8 fail to inline.

Change-Id: I97906045224e89377e8ea6add07a79fa088648af

Bug: 8277656

Change-Id: I974f560050cc5339d110b97620df1c5b496977fe

Bug: 8197301

Change-Id: I2d0ffbbc9d4d57ebfc2fe43e6cb75e8b44dae466

Bug: 8197301
Change-Id: Ife9b41a465d7b8d707623a6d3e4c1c88c3c3c4ab

Bug: 8197301
Change-Id: I742ff0d939f9ad1ee2cd8b959b6c5ee2757fd177

Bug: 8187060

Change-Id: I72398fa45b12683bd46d23c5ca69e6bcd5ca2b7e

Change-Id: Ie50fdd1081d306e520300245498a605e79e03818

Bug: 7970626
Change-Id: I2fd09e16dd9df36eebca2d737a0b7cc3ddd1c862

Change-Id: I8bda8075b33f656ecbec08320afcd864b620fe77

Change-Id: I5477b6e5d29d1f0b9c2fd5a495be77cf5f2fbaee

Bug: 8277656
Change-Id: Ia7940bbf81fcf4ff5eb7869b105d98aa34155d33

Change-Id: I7bbe1b68264a389923f8a19bb37646c8ab0cb46f

keyboard layouts

bug: 8269407
Change-Id: I52962ef1b6cbec125f6cfd3afc110fcbb06409df

Change-Id: I3b44068bce784531516f3cdfe67b3b46b1f1b805

Change-Id: Ibbad8476be40e322cadfbf9636a13e575338ec1d

Change-Id: I89c5871bbcf0fe3d5f50052e8f64932d8efbce94

Change-Id: I4767eff187c76541648cc066a88293e46a90f033

Change-Id: Id940f1226ca493d0a1b82e2810b1882184ef8987

Change-Id: Ib6bd7be45be9229a075b6a8feb46c67ec75a9b06

Change-Id: I8bc009bf258cbdf01e15dc63a7a8afad47db5d96

Change-Id: I45fd249a6536e438125782e6e7800760f8e8d426

Bug: 8197301

Change-Id: I6a67d2914bd44b3ceca655adcd65c9c42796b026