Implement initial swipe typing

java/res/values/gesture-input.xml

native/jni/NativeFileList.mk

native/jni/org_futo_inputmethod_latin_xlm_LanguageModel.cpp

native/jni/src/defines.h

...rc/suggest/core/dicnode/internal/dic_node_state_scoring.h

native/jni/src/suggest/core/layout/geometry_utils.h

...ni/src/suggest/core/layout/proximity_info_state_utils.cpp

native/jni/src/suggest/core/policy/traversal.h

native/jni/src/suggest/core/policy/weighting.cpp

native/jni/src/suggest/core/policy/weighting.h

native/jni/src/suggest/core/session/dic_traverse_session.h

native/jni/src/suggest/core/suggest.cpp

native/jni/src/suggest/core/suggest.h

...est/policyimpl/gesture/gesture_suggest_policy_factory.cpp

...ggest/policyimpl/gesture/gesture_suggest_policy_factory.h

native/jni/src/suggest/policyimpl/gesture/swipe_scoring.cpp

native/jni/src/suggest/policyimpl/gesture/swipe_scoring.h

...i/src/suggest/policyimpl/gesture/swipe_suggest_policy.cpp

...jni/src/suggest/policyimpl/gesture/swipe_suggest_policy.h

...ve/jni/src/suggest/policyimpl/gesture/swipe_traversal.cpp