Merge "Boundary check for ProximityInfoState::getProximityTypeG()."

    if (!isUsed()) {

        return UNRELATED_CHAR;

    }

    const int sampledSearchKeyVectorsSize = static_cast<int>(mSampledSearchKeyVectors.size());

    if (index < 0 || index >= sampledSearchKeyVectorsSize) {

        AKLOGE("getProximityTypeG() is called with an invalid index(%d). "

                "mSampledSearchKeyVectors.size() = %d, codePoint = %x.", index,

                sampledSearchKeyVectorsSize, codePoint);

        ASSERT(false);

        return UNRELATED_CHAR;

    }

    const int lowerCodePoint = CharUtils::toLowerCase(codePoint);

    const int baseLowerCodePoint = CharUtils::toBaseCodePoint(lowerCodePoint);

    for (int i = 0; i < static_cast<int>(mSampledSearchKeyVectors[index].size()); ++i) {