Rename ACTION_SHOW_SUGGESTSIONS TO ACTION_SHOW_TEXT_SUGGESTIONS

Fix: 217730256

Bug: 222537368

Test: Added test in EditTextTest (will merge later when reviewed).

Merged-In: I78354a0f1d955c5b7c1ead044ea49086b3479841
Change-Id: I78354a0f1d955c5b7c1ead044ea49086b3479841
(cherry picked from commit e1f392d171acacbccb15516c73b06fa7835d2d2e)
5 files changed